General Purpose Thin Depressed Center Wheel, 4 in Dia x 0.045 in THK, 5/8 in Center Hole, 60 Grit, Z
045 in Wheel Thickness, 5/8 in Center Hole, Arbor Connector, 60 Grit, Medium Grade, Zirconia Alumina Abrasive, Wheel Type Number: Type 27, 19000 rpm Maximum, Resin Bond, Applicable Materials: Aluminum Alloy, Angle Iron, Brass, Bronze, Copper, High Tensile Steel Iron Steel Bar, Metal Decking and Cable, Non-Ferrous Metals, Pipe Line, Stainless Steel Sheet, Stainless Steel Bar and Titanium, Wheel Hardness: S, Black Wheel, Yes Reinforced.CGW Depressed Center Wheel, General Purpose Thin, 4 in Wheel Diameter, 0.