Robust, with smooth action
Sockets held absolutely securely by push-button lock with ball in the square drive
Direction changed by 2 push-buttons, marked R and L, on the shaft
Square drive acc. to DIN 3120 - A 12.5, ISO 1174, chrome-vanadium steel 31CrV3
With VDE insulation acc. to EN 60900 / IEC 60900:2004