Product Description: 1. Application: 7393 Gear and Pulley removal tool is used to remove timing gears, fan pulleys, harmonic balancers, and many other parts having tapped holes 2. Great Expansion: Puller features a spread of 1-1/2 inches to 4-1/4 inches. Puller block is 4-7/8 inches wide. 5-1/2 inch long center screw; includes 2 ea. 3/8-16 x 3 inch long hex head cap screws. 3. High Quality: Made from premium grade steel with black oxide finished at surface, the tool is hardened and it’s extremely durable and strong, corrosion and rust resistance. .