• Overrunning alternator pulley and Overrunning alternator decoupler pulley are designed to extend belt life and belt tensioner life. They also make for quieter and smoother accessory drive operation and reduce vibrations in the passenger compartment. • These tools hold the alternator shaft still so the pulley can be removed or installed. • A great time saving tool for the technician and the ability to provide a cost saving service for the vehicle owner.Contents : • Decoupler tool assembly • 17 mm hex drive • 17 mm Allen wrench • 110 mm socket extension • 28 mm / 21 mm hex cap nut driver • 28 mm / 19 mm hex cap nut driver • 22 mm hex cap nut driver
