Acc. to DIN 3122, ISO 3315, With recessed lever change, Locks in the middle position: When the lever is flipped, it automatically engages for clockwise or counterclockwise operation, Push-button release, Return angle 11.25 degrees, Non-slip 2-component handle with hanging hole, For hand-operated sockets and accessories with square drive as per DIN 3120 - C 10, ISO 1174, ball locking device, GEDORE vanadium steel 31CrV3, chrome-plated, Vanadium steel 31CrV3, chrome-plated