Cut-Off & Grinding Wheel, Abrasive Material Aluminum Oxide, Connector Size 5/8 In.-11, Connector Type Threaded Hole, Grit 24, Overall Diameter 9 in, Overall Thickness 0.125 in, Primary Material Application Stainless Steel, Steel, Compatible Tool Type Angle Grinder, Series Carbo Gold, Wheel Type Type 27, Maximum Operating Speed 6,600 RPM