• Scheduled Maintenance Notice: This site will be unavailable due to scheduled maintenance from 3:00 to 15:00 (CEST) 16/6/2024. We apologize for the inconvenience.

One-Touch Couplings(Thread Material:No Thread)

Data to be displayed
30
45
60
Sort by:
Shipping Days
  • All
  • Same day
  • 3 Days or Less
  • 4 Days or Less
  • 5 Days or Less
  • 6 Days or Less
  • 7 Days or Less
  • 8 Days or Less
  • 9 Days or Less
  • 10 Days or Less
  • 11 Days or Less
Brand
Product Series
CAD
Starting from
Min. Shipping Days
Specifications
Type
Fitting Type
Applicable Fluid
Main Body Material
Application
Thread Material
Seal Material
Screw Mounting, Direction
Elbows
Screw Mounting, Branch
Union: Same Diameter
Union: Unequal Diameter
Sockets, Reducers
Branch A
Other Shapes
For Swivel Part, Rotation Part
Compatible Tube Outer Diameter 1(mm)
Compatible Tube Outer Diameter 2(mm)

    One-Touch Couplings for Clean Applications / Reducer

      One-Touch Couplings / Cross Union

        Touch Connector FUJI Blind Plug

          One-Touch Couplings / All Stainless Steel / Bulkhead Union

            One-Touch Couplings for Clean Applications / Tees

              One-Touch Couplings / Union / Stepped Diameter

                One-Touch Couplings / Union Elbow

                  One-Touch Couplings / Reducer

                    One-Touch Couplings / Nipple

                      One-Touch Couplings / Irregular Connection Plug

                        Touch Connector FUJI Display Ring

                          One-Touch Couplings / Manifold / Triple Double Type

                            Miniature One-Touch Couplings / Union Elbow

                              Miniature One-Touch Couplings / Union Tee

                                Miniature One-Touch Couplings / Union

                                  Miniature One-Touch Couplings / Union Y

                                    One-Touch Couplings / All Stainless Steel / Union 90 Deg. Elbow

                                      One-Touch Couplings / All Stainless Steel / Union

                                        One-Touch Couplings / All Stainless Steel / Tee

                                          One-Touch Couplings for Clean Applications / 90 Deg. Union Elbows

                                            One-Touch Couplings for Clean Applications / Straight Union

                                              One-Touch Couplings for Clean Applications / Union Y

                                                One-Touch Couplings / Manifold / Triple Single Type

                                                  One-Touch Couplings for Clean Applications / Connector

                                                    One-Touch Coupling / Compressed Air / Union Tee

                                                      One-Touch Coupling / Compressed Air / Reducer

                                                        One-Touch Couplings / Union Straight

                                                          One-Touch Couplings / L-Connector

                                                            Quick-Connect Fitting, Y Type, Union Same Diameter

                                                              One-Touch Couplings / Stepped Union Y

                                                                Quick-Connect Fitting, Union Tee, Union Same Diameter

                                                                  One-Touch Couplings / Stepped Union Tees

                                                                    One-Touch Couplings / Cap

                                                                      One-Touch Couplings / Blind Plug

                                                                        One-Touch Couplings / Manifold / Double Y-Shaped

                                                                          One-Touch Couplings / FY Type Elbow Unions

                                                                            Touch Connector Five, Union

                                                                              Touch Connector Five, Variable Diameter Union

                                                                                Touch Connector Five Union Elbow

                                                                                  Touch Connector Five Union T

                                                                                    Touch Connector Five Reducer Union T

                                                                                      Touch Connector Five Union Y

                                                                                        Touch Connector Five, Different Diameter Union Y

                                                                                          Touch Connector Five, Reducer

                                                                                            Touch Connector Five, L-Connector

                                                                                            Brand

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            CHIYODA TSUSHO

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            CHIYODA TSUSHO

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            CHIYODA TSUSHO

                                                                                            CHIYODA TSUSHO

                                                                                            CHIYODA TSUSHO

                                                                                            CHIYODA TSUSHO

                                                                                            CHIYODA TSUSHO

                                                                                            CHIYODA TSUSHO

                                                                                            CHIYODA TSUSHO

                                                                                            CHIYODA TSUSHO

                                                                                            CHIYODA TSUSHO

                                                                                            Product Series

                                                                                            One-Touch Couplings for Clean Applications / Reducer

                                                                                            One-Touch Couplings / Cross Union

                                                                                            Touch Connector FUJI Blind Plug

                                                                                            One-Touch Couplings / All Stainless Steel / Bulkhead Union

                                                                                            One-Touch Couplings for Clean Applications / Tees

                                                                                            One-Touch Couplings / Union / Stepped Diameter

                                                                                            One-Touch Couplings / Union Elbow

                                                                                            One-Touch Couplings / Reducer

                                                                                            One-Touch Couplings / Nipple

                                                                                            One-Touch Couplings / Irregular Connection Plug

                                                                                            Touch Connector FUJI Display Ring【100 Pieces Per Package】

                                                                                            One-Touch Couplings / Manifold / Triple Double Type

                                                                                            Miniature One-Touch Couplings / Union Elbow

                                                                                            Miniature One-Touch Couplings / Union Tee

                                                                                            Miniature One-Touch Couplings / Union

                                                                                            Miniature One-Touch Couplings / Union Y

                                                                                            One-Touch Couplings / All Stainless Steel / Union 90 Deg. Elbow

                                                                                            One-Touch Couplings / All Stainless Steel / Union

                                                                                            One-Touch Couplings / All Stainless Steel / Tee

                                                                                            One-Touch Couplings for Clean Applications / 90 Deg. Union Elbows

                                                                                            One-Touch Couplings for Clean Applications / Straight Union

                                                                                            One-Touch Couplings for Clean Applications / Union Y

                                                                                            One-Touch Couplings / Manifold / Triple Single Type

                                                                                            One-Touch Couplings for Clean Applications / Connector

                                                                                            One-Touch Coupling / Compressed Air / Union Tee

                                                                                            One-Touch Coupling / Compressed Air / Reducer

                                                                                            One-Touch Couplings / Union Straight

                                                                                            One-Touch Couplings / L-Connector

                                                                                            Quick-Connect Fitting, Y Type, Union Same Diameter

                                                                                            One-Touch Couplings / Stepped Union Y

                                                                                            Quick-Connect Fitting, Union Tee, Union Same Diameter

                                                                                            One-Touch Couplings / Stepped Union Tees

                                                                                            One-Touch Couplings / Cap

                                                                                            One-Touch Couplings / Blind Plug

                                                                                            One-Touch Couplings / Manifold / Double Y-Shaped

                                                                                            One-Touch Couplings / FY Type Elbow Unions

                                                                                            Touch Connector Five, Union

                                                                                            Touch Connector Five, Variable Diameter Union

                                                                                            Touch Connector Five Union Elbow

                                                                                            Touch Connector Five Union T

                                                                                            Touch Connector Five Reducer Union T

                                                                                            Touch Connector Five Union Y

                                                                                            Touch Connector Five, Different Diameter Union Y

                                                                                            Touch Connector Five, Reducer

                                                                                            Touch Connector Five, L-Connector

                                                                                            CAD
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D
                                                                                            • 2D
                                                                                            • 2D
                                                                                            • 2D
                                                                                            • 2D
                                                                                            • 2D
                                                                                            • 2D
                                                                                            • 2D
                                                                                            • 2D
                                                                                            Starting from

                                                                                            4.41 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            5.42 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            1.52 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            23.04 €

                                                                                            *Unit price with basic configuration

                                                                                            10.71 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            2.77 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            2.26 €

                                                                                            *Unit price with basic configuration

                                                                                            2.39 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            3.53 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            1.51 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            9.12 €

                                                                                            *Unit price with basic configuration

                                                                                            9.06 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            2.65 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            3.53 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            2.77 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            3.67 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            28.34 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            22.17 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            45.34 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            7.43 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            7.43 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            10.71 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            7.31 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            15.11 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            10.59 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            8.57 €

                                                                                            *Unit price with basic configuration

                                                                                            2.45 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            2.02 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            3.40 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            3.66 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            2.81 €

                                                                                            *Unit price with basic configuration

                                                                                            3.27 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            2.77 €

                                                                                            *Unit price with basic configuration

                                                                                            1.51 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            4.78 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            5.42 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            2.18 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            3.20 €

                                                                                            *Unit price with basic configuration

                                                                                            2.71 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            3.03 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            3.75 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            3.05 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            4.19 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            2.58 €

                                                                                            *Unit price with basic configuration

                                                                                            2.94 €

                                                                                            *Unit price with basic configuration

                                                                                            Min. Shipping Days 5 Days 5 Days Same day 5 Days Same day Same day Same day 5 Days Same day 5 Days 10 Days Same day 5 Days Same day 5 Days Same day 5 Days 5 Days 5 Days 5 Days 5 Days 5 Days 6 Days Same day Same day Same day Same day 5 Days 5 Days Same day Same day Same day 5 Days 5 Days 5 Days 5 Days Same day 5 Days 5 Days Same day Same day 5 Days 5 Days 5 Days 5 Days
                                                                                            Specifications
                                                                                            • Order quantities extended (D-JIT)
                                                                                                    • Order quantities extended (D-JIT)
                                                                                                    • Order quantities extended (D-JIT)
                                                                                                    • Order quantities extended (D-JIT)
                                                                                                            • Order quantities extended (D-JIT)
                                                                                                            • Order quantities extended (D-JIT)
                                                                                                              • Order quantities extended (D-JIT)
                                                                                                                • Order quantities extended (D-JIT)
                                                                                                                  • Order quantities extended (D-JIT)
                                                                                                                  • Order quantities extended (D-JIT)
                                                                                                                      • Order quantities extended (D-JIT)
                                                                                                                          • Order quantities extended (D-JIT)
                                                                                                                          • Order quantities extended (D-JIT)
                                                                                                                          • Order quantities extended (D-JIT)
                                                                                                                            • Order quantities extended (D-JIT)
                                                                                                                            • Order quantities extended (D-JIT)
                                                                                                                              • Order quantities extended (D-JIT)
                                                                                                                                                    TypeSingle-Action CouplingSingle-Action CouplingOne-Touch Fitting Related ComponentsSingle-Action CouplingSingle-Action CouplingSingle-Action CouplingSingle-Action CouplingSingle-Action CouplingSingle-Action CouplingSingle-Action CouplingOne-Touch Fitting Related ComponentsSingle-Action CouplingSingle-Action CouplingSingle-Action CouplingSingle-Action CouplingSingle-Action CouplingSingle-Action CouplingSingle-Action CouplingSingle-Action CouplingSingle-Action CouplingSingle-Action CouplingSingle-Action CouplingSingle-Action CouplingSingle-Action CouplingSingle-Action CouplingSingle-Action CouplingSingle-Action CouplingSingle-Action CouplingSingle-Action CouplingSingle-Action CouplingSingle-Action CouplingSingle-Action CouplingSingle-Action CouplingOne-Touch Fitting Related ComponentsSingle-Action CouplingSingle-Action CouplingSingle-Action CouplingSingle-Action CouplingSingle-Action CouplingSingle-Action CouplingSingle-Action CouplingSingle-Action CouplingSingle-Action CouplingSingle-Action CouplingSingle-Action Coupling
                                                                                                                                                    Fitting TypeSockets, ReducersUnion, Equal Dia.Other ShapesUnion, Equal Dia.Union, Equal Dia.Union, Unequal Dia.Union, Equal Dia.Sockets, ReducersOther ShapesOther ShapesOther ShapesUnion, Unequal Dia.Union, Equal Dia.Union, Equal Dia.Union, Equal Dia.Union, Equal Dia.Union, Equal Dia.Union, Equal Dia.Union, Equal Dia.Union, Equal Dia.Union, Equal Dia.Union, Equal Dia.Union, Unequal Dia.Union, Equal Dia.Union, Equal Dia.Sockets, ReducersUnion, Equal Dia.Sockets, ReducersUnion, Equal Dia.Union, Unequal Dia.Union, Equal Dia.Union, Unequal Dia.Other ShapesOther ShapesUnion, Unequal Dia.Union, Equal Dia.Union, Equal Dia.Union, Unequal Dia.Union, Equal Dia.Union, Equal Dia.Union, Unequal Dia.Union, Equal Dia.Union, Unequal Dia.Sockets, ReducersSockets, Reducers
                                                                                                                                                    Applicable FluidWater / Air / Chemical, SolventAirAirWater / AirWater / Air / Chemical, SolventAirAirAirAirAirAirAirAirAirAirAirWater / AirWater / AirWater / AirWater / Air / Chemical, SolventWater / Air / Chemical, SolventWater / Air / Chemical, SolventAirWater / Air / Chemical, SolventAirAirAirAirAirAirAirAirAirAirAir-Water / AirWater / AirWater / AirWater / AirWater / AirWater / AirWater / AirWater / AirWater / Air
                                                                                                                                                    Main Body MaterialPP ResinStandard (PBT Polybutylene Terephthalate)OthersEN 1.4401 Equiv.PP ResinStandard (PBT Polybutylene Terephthalate)Standard (PBT Polybutylene Terephthalate)Standard (PBT Polybutylene Terephthalate)Standard (PBT Polybutylene Terephthalate)Standard (PBT Polybutylene Terephthalate)OthersStandard (PBT Polybutylene Terephthalate)Standard (PBT Polybutylene Terephthalate)Standard (PBT Polybutylene Terephthalate)Standard (PBT Polybutylene Terephthalate)Standard (PBT Polybutylene Terephthalate)EN 1.4401 Equiv.EN 1.4401 Equiv.EN 1.4401 Equiv.PP ResinPP ResinPP ResinStandard (PBT Polybutylene Terephthalate)PP ResinPP ResinPP ResinStandard (PBT Polybutylene Terephthalate)Standard (PBT Polybutylene Terephthalate)Standard (PBT Polybutylene Terephthalate)Standard (PBT Polybutylene Terephthalate)Standard (PBT Polybutylene Terephthalate)Standard (PBT Polybutylene Terephthalate)Standard (PBT Polybutylene Terephthalate)Standard (PBT Polybutylene Terephthalate)Standard (PBT Polybutylene Terephthalate)Standard (PBT Polybutylene Terephthalate)Standard (PBT Polybutylene Terephthalate)Standard (PBT Polybutylene Terephthalate)Standard (PBT Polybutylene Terephthalate)Standard (PBT Polybutylene Terephthalate)Standard (PBT Polybutylene Terephthalate)Standard (PBT Polybutylene Terephthalate)Standard (PBT Polybutylene Terephthalate)Standard (PBT Polybutylene Terephthalate)Standard (PBT Polybutylene Terephthalate)
                                                                                                                                                    ApplicationClean EnvironmentStandard, MiniStandard, MiniStandard, MiniClean EnvironmentStandard, MiniStandard, MiniStandard, MiniStandard, MiniStandard, MiniStandard, MiniStandard, MiniStandard, MiniStandard, MiniStandard, MiniStandard, MiniStandard, MiniStandard, MiniStandard, MiniClean EnvironmentClean EnvironmentClean EnvironmentStandard, MiniClean EnvironmentStandard, MiniStandard, MiniStandard, MiniStandard, MiniStandard, MiniStandard, MiniStandard, MiniStandard, MiniStandard, MiniStandard, MiniStandard, Mini-Standard, MiniStandard, MiniStandard, MiniStandard, MiniStandard, MiniStandard, MiniStandard, MiniStandard, MiniStandard, Mini
                                                                                                                                                    Thread MaterialNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo ThreadNo Thread
                                                                                                                                                    Seal MaterialEPDMStandard (NBR Nitrile Rubber )OthersFluororubberEPDMStandard (NBR Nitrile Rubber )Standard (NBR Nitrile Rubber )Standard (NBR Nitrile Rubber )--OthersStandard (NBR Nitrile Rubber )Standard (NBR Nitrile Rubber )Standard (NBR Nitrile Rubber )Standard (NBR Nitrile Rubber )Standard (NBR Nitrile Rubber )FluororubberFluororubberFluororubberEPDMEPDMEPDMStandard (NBR Nitrile Rubber )EPDMStandard (NBR Nitrile Rubber )Standard (NBR Nitrile Rubber )Standard (NBR Nitrile Rubber )Standard (NBR Nitrile Rubber )Standard (NBR Nitrile Rubber )Standard (NBR Nitrile Rubber )Standard (NBR Nitrile Rubber )Standard (NBR Nitrile Rubber )Standard (NBR Nitrile Rubber )-Standard (NBR Nitrile Rubber )Standard (NBR Nitrile Rubber )Standard (NBR Nitrile Rubber )Standard (NBR Nitrile Rubber )Standard (NBR Nitrile Rubber )Standard (NBR Nitrile Rubber )Standard (NBR Nitrile Rubber )Standard (NBR Nitrile Rubber )Standard (NBR Nitrile Rubber )Standard (NBR Nitrile Rubber )Standard (NBR Nitrile Rubber )
                                                                                                                                                    Screw Mounting, Direction---------------------------------------------
                                                                                                                                                    Elbows---------------------------------------------
                                                                                                                                                    Screw Mounting, Branch---------------------------------------------
                                                                                                                                                    Union: Same Diameter-Cross A-Partition UnionsUnion Tees-Union Elbows-----Union ElbowsUnion TeesUnion StraightUnion YUnion ElbowsUnion StraightUnion TeesUnion ElbowsUnion StraightUnion Y-Partition Unions PUnion Tees-Union Straight---Union Tees----Union AUnion Straight-Union ElbowsUnion Tees-Union Y---
                                                                                                                                                    Union: Unequal Diameter-----Unequal Dia. Union Straight-----Unequal Dia. Triple Double----------Unequal Dia. Triple------Unequal Dia. Union Y-Unequal Dia. Union Tee--Unequal Dia. Double Ys--Unequal Dia. Union Straight--Unequal Dia. Union Tee-Unequal Dia. Union Y--
                                                                                                                                                    Sockets, ReducersReducer------Reducer-----------------Reducer-Socket Elbows---------------ReducerSocket Elbows
                                                                                                                                                    Branch A---------------------------------------------
                                                                                                                                                    Other Shapes--Plug-----NipplesUnequal Dia. NipplesOthers---------------------CapPlug-----------
                                                                                                                                                    For Swivel Part, Rotation Part---------------------------------------------
                                                                                                                                                    Compatible Tube Outer Diameter 1(mm)--4 ~ 12-------4 ~ 12-------------------------4 ~ 164 ~ 124 ~ 164 ~ 166 ~ 124 ~ 126 ~ 124 ~ 104 ~ 12
                                                                                                                                                    Compatible Tube Outer Diameter 2(mm)-------------------------------------6 ~ 16--4 ~ 10-4 ~ 10--

                                                                                                                                                    Loading...

                                                                                                                                                    Examples how you can use these components

                                                                                                                                                    Categories related to One-Touch Couplings