Wheel diameter: 4 1/2 inVoltage rating: 120 V AC/DCAmperage rating: 7.5 AEachWheel diameter: 4 1/2 inVoltage rating: 120 V AC/DCAmperage rating: 7.5 AMakita® Angle Grinder, 10000 rpm, 4 1/2 in (Dia) Wheel, Includes (4) 1 in (Dia) Wheels and AL Casehttp://s7d5.scene7.com/is/image/Staples/s0482987_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0482987_sc7?$thb$http://www.staples.com/sbd/img/res/ic/ic016-deliveryreq.gifhttp://s7d5.scene7.com/is/image/Staples/s0482987/Makita-Angle-Grinder-10000-rpm-4-1-2-in-Dia-Wheel-Includes/product_853585Makita® Angle Grinder, 10000 rpm, 4 1/2 in (Dia) Wheel, Includes (4) 1 in (Dia) Wheels and AL Case0.00