- For the assembly and disassembly of free-running belt discs when changing alternator or the belt disc
- Locking the alternator is done with the special bit
- Actuation of the screws is carried out with the union nut
- Also for checking screws
- Allows for the releasing and securing of the central nut at the same time as counter holding the belt disc shaft
- Internal square drive to DIN 3120 / ISO 1174 with ball reception
Application range: BMW F20, Mercedes A class, C class, Renault 1.9 DTI