The OEMTOOLS Harmonic Balancer Puller, No. 37187, features a yoke with four slots, which allow the article to be used for two- or three-hole applications, making it ideal for pulling balancers, vibration dampers, pulley, and gears with the tapped holes. The yoke is heat-treated for strength and durability. The floating swivel prevents damage to shaft ends. The set includes a yoke, pressure screw, and pulling screws.