Removing a stubborn harmonic balancer or pulley is made easy with the Harmonic Balancer Puller / Pulley Installer Kit. This is the go-to kit when swapping out old harmonic balancers with threaded holes. The kit includes a special puller for balancers with threaded holes found on many cars and light trucks. Simply line up the supplied 2/3 combination yoke to the balancer, attach with your vehicle’s correct supplied bolts, and turn the screw until it breaks free. Easy enough for the weekend mechanic durable enough for the pros. Full detailed instructions and usage photos included in the durable organizing case.