Pulley is set up for a one inch bore with a .125" keyway and designed to be used with a .500" or .750" wide drive belt. Pulley has twenty five teeth which are 3/8" HTD pitch and is .810" wide.
Note: This is a used item. This item might have been taken in on a trade. RBS may have inspected this item and deemed re-usable. There is no warranty expressed or implied with this item.