[Features] · The interior door of a distribution board, etc., fixed with conventional screws and knurled knob can be opened and closed with one touch to save labor. · Quick-in type that only needs to be plugged in to install. · Reduces labor. · Easy locking and unlocking with a flathead screwdriver (JISC8480 compliant). · Attached indicator makes confirmation of locking easy. · Lever can be fixed with a sealing wire. · Flame retardant materials (UL94V-2) used