Cup Wheel With Steel Back, 4 X 3 In Dia X 2 In Thk, 16 Grit, Aluminum Oxide Abrasive Quick Cup Grinding Wheels

CGW Cup Wheel, 4 x 3 in Wheel Diameter, 2 in Wheel Thickness, 16 Grit, Hard/Coarse Grade, Aluminum Oxide Abrasive, Wheel Type Number: Type 11, 9070 rpm Maximum, Wheel Hardness: Q, Resin Bond, Applicable Materials: Ferrous Metals and Tough Steel, 5/8-11 Center Hole Thread Size, Cup Wheel Shape