OTC-522 Pulley and Gear Puller 2" to 7 3/4" Spread. The block is 8 1/4" inches wid, and the forcing screw is 3/4" -16 x 11-5/8 inches long. This puller will accommodate any cap screw up to 1/2 inch diameter. This tool is similar to Ford D80L-522-A and 303-D025