Flat Depressed Center Wheel, 4-1/2 in Dia x 1/8 in THK, 7/8 in Center Hole, 24 Grit, White Aluminum
CGW Depressed Center Wheel, Flat, 4-1/2 in Wheel Diameter, 1/8 in Wheel Thickness, 7/8 in Center Hole, Arbor Connector, 24 Grit, Coarse Grade, White Aluminum Oxide Abrasive, Wheel Type Number: Type 27, 13300 rpm Maximum, Resin Bond, Applicable Materials: Stainless Steel Sheet, Stainless Steel Bar, Ferrous Metal, Angle Iron, Iron/Steel Bar, Pipeline, High Tensile Steel, Wheel Hardness: S, Black Wheel.