Description Two groove 2-3V3.15 pulley for use with 3V-section belts. Requires separate JA-type bushing. A Specifications: Datum Diameter: 3.1E: 31/64F: 1 3/32H: 25/64L: 1O.D.: 3.15Constuction type: BlockBushing: JAWeight: 1.4 lbs