The Performance Tool Harmonic Balancer Puller, No. 160, is designed to remove balancers, pulleys, and gears. It features four slots in the yoke, allowing for two or three-hole applications. The puller is constructed from drop forged heat-treated alloy steel for strength and durability. It bolts to the balancer with center screw on the end of the crankshaft. Contains 10 bolts: two 3/8-16 by 4", two 5/16-20 by 3-3/18", three 3/8-24 by 2-1/4", and three 5/16-18 by 2-1/8".