universal Tool for almost all vehicles for locking, rotating and holding perforated pulleys Includes 4 pairs of screwed bits, Ø 6 -10 mm, 8 - 11 mm, 10 - 12 mm, 11 - 16 mm continuously adjustable from Ø 40 to 220 mm, therefore suitable for almost all camshaft wheels the total length of 520 mm guarantees optimum leverage for loosening for loosening the fixing screws on the belt pulleys Counterpressure wrench for loosening or tightening the drive sprocket, injection pump or camshaft sprocket.