Abrasive -Off Wheel, Abrasive Material Aluminum Oxide, Grit 60, Connector Size 7/8 in, Connector Type Unthreaded Hole, Overall Diameter 4 1/2 in, Overall Thickness 0.045 in, Compatible Tool Type Angle Grinder, Primary Material Applicationn Stainless Steel, Steel, Series A60XL, Wheel Type Type 1, Specification A60XL, Maximum Operating Speed 15,000 RPM