Description Four groove 4-3V6.00 pulley for use with 3V-section belts. Requires separate SK-type bushing. A Specifications: Datum Diameter: 5.95E: 9/32F: 1 29/32H: 1/4L: 1 7/8O.D.: 6Constuction type: BlockBushing: SKWeight: 7.8 lbs