Cut-Off & Grinding Wheel, Abrasive Material Ceramic, Connector Size 5/8 In.-11, Connector Type Threaded Hole, Grit 24, Overall Diameter 4 1/2 in, Overall Thickness 0.125 in, Primary Material Application Nickel Alloy, Stainless Steel, Steel, Compatible Tool Type Angle Grinder, Series SG24N, Wheel Type Type 27, Maximum Operating Speed 13,300 RPM, Grade Coarse