Standard :
DIN 3123-C 12.5 External square drive to DIN 3120-A 12.5 with sprung ball, internal square drive to DIN 3120-C 12.5 with grooves.

Material :
Chrome vanadium steel, chrome-plated.

Suitable for :
Manual use.

Version :
Material selection and special forging method guarantee optimal functioning and long life. Drives and connectors can be assembled “blind” due to chamfered edges on male and female couplings and four snap grooves.