• 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 during repairs or changing the timing belt.