Ratcheting single-ended open ring spanner

[Specifications]
・Material properties: insulated
・Standards: DIN 3110. ISO 3318

[Features]
・1000 V ratchet ring spanners
・Made of chrome vanadium steel
・Ratchet mechanism with fine gearing (72 teeth) and a reset angle of 5° (shank angle)
・Change from clockwise to counterclockwise rotation by simply turning over the spanner