Abrasive -Off Wheel, Abrasive Material Aluminum Oxide, Grit 36, Connector Size 1/4 in, Connector Type Unthreaded Hole, Overall Diameter 4 in, Overall Thickness 0.0625 in, Compatible Tool Type Die Grinder, Primary Material Applicationn Cast Iron, Stainless Steel, Steel, Series A36T, Wheel Type Type 1, Maximum Operating Speed 19,000 RPM, Reinforced Status Reinforced, Bond Type Resin