Product Descriptions ▶ Application This 7393 Gear and Pulley Puller is perfect for removing timing gears, fan pulleys, harmonic balancers, and many other parts having tapped holes. ▶ Material Made of sturdy steel and has (1) 5-1/2 inch long center screw; (2) ea. 3/8-16 x 3 inch long hex head cap screws. High-grade materials ensure quality performance over the lifetime of the tool! ▶ Easy To Use .