Internal square drive to DIN 3121 / ISO 1174 .
Six sided drive SW 60.
Optional with sleeve Locating tube.
High accuracy of fit.
Extremely robust execution.
Suitable for high tightening and loosening torque.
Special steel.
Inner: 133mm
Outer: 145mm
High: 110mm
Stud: 118mm
Stud Width: 12mm