Internal square drive to DIN 3121 /ISO 1174 .
Rigid Locating tube.High accuracy of fit.
Extremely robust execution.
Suitable for high tightening and loosening torque.
Special steel.
Application range: Mercedes Benz Actros Rear axle, HL/HL 8 (Hypoid), etc...
Outer: 125mm
High: 180mm
Stud: 116mm