Ring 13° offset from shaft, UD profile, Working angle 7° from 8 to 15 mm, and 6° from 16 to 24 mm, For ratchet loosening and fast tightening, with lever change, High torque transfer, Hollow profile comfortable to hold, Warp-resistant geometry with double T-girder effect, GEDORE vanadium steel 31CrV3, Non-glare look thanks to matt chrome-plating, locking