CHICAGO DIE CASTING 3/4 4-Step V-Grooved Pulley, 3/4 in, 4L, 1/2 x 11/32 in Belt
The Chicago die-cast, V-groove, four-step pulley comes with hollow head set screws. For belts size 4L or 1/2 by 11/32 inches. Dimensions: 4-inch diameter with 3/4-inch bore.