Universally adjustable for toothed pulleys spaced between approximately 5mm to 85mm apart
For engines with twin camshafts (CITROEN FIAT FORD HONDA RENAULT ROVER SAAB SUBARU TOYOTA VOLVO) and for diesel engines to lock the camshaft and injection pump (VW-Audi Ford Seat Skoda)
By inserting the locking tool in the drive pulleys it is during repairs or changing the timing belt.