- Internal square drive to DIN 3121 / ISO 1174
- Screw-in guide tube
- High accuracy of fit
- Extremely robust version
- Suitable for high tightening and loosening torque
- Special tool steel
Application range: Mercedes and MAN, Atego, bus and transporter with grooved nut (A9763560026). The guide tube is not required for the following vehicles: MAN trucks (type H, L, M, N and 1) and bus (type A, J, P and R) with grooved nut (81.90620-0086)