"The Phoenix 5/8in. x 2in. V-Belt Pulley is a heavy-duty split steel pulley fabricated from solid steel stock. Replacement for lawn and garden, farm and agricultural, and industrial equipment. U.S.A. Compatible With Outdoor power equipment, Part Type Pulleys, Pulley Diameter in. 2, Product Style V-belt pulley, Material Type Split steel, Bore Diameter in. 5/8. Made from solid steel stock 3/16in. standard shaft keyway size 2 set screws are factory inserted for strength"