Acc. to DIN 3122, ISO 3315 
 With recessed lever change 
 Push-button release 
 Locks in the middle position: When the lever is flipped, it automatically engages for clockwise or counterclockwise operation 
 For hand-operated sockets and accessories with square drive as per DIN 3120 - C 12.5, ISO 1174, ball locking device 
 GEDORE vanadium steel 31CrV3, chrome-plated