Material :
Chrome vanadium steel, chrome-plated.

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

Suitable for :
Manual use.

Version :
Material selection and special forging method guarantee optimal functioning and long life. “Blind” interlocking possible due to bevelled edges on male and female coupling. Pivot angle up to 15° available to either side. Two-stage extension, can be fixed by registration.