Harmonic Balancer Puller with Adjustable 3-Jaw Puller Kit, Forcing Screw Fits a 3/8" Square Drive and 4 Forcing Rods for Removing Harmonic Dampers & Balancers. What U Get - Includes Puller Body, 3-Jaw Puller, (3) Jaw Retaining Pins, (3) Wave Washers,(4)Forcing Rods (4", 5-13/32", 6-1/2", 7-13/32"); Instructions and Blow-Molded Carrying Case.