Chicago Die Casting 300A5 1/2x3 Pulley

For A belts, pulleys from 2'' to 12'' have keyways except 3/8'' and 1/2'' bores and 3/4'' bores in pulleys less than 4'' in diameter. All pulleys are with slotted headless set screws. In Sta-Pak cartons. For 4L or 1/2'' x 11/32'' belts.