Abrasive -Off Wheel, Abrasive Material Ceramic, Grit 46, Connector Size 5/8 in, Connector Type Unthreaded Hole, Overall Diameter 4 in, Overall Thickness 0.035 in, Compatible Tool Type Die Grinder, Primary Material Applicationn Stainless Steel, Steel, Series Saitech Ultimate Performance, Wheel Type Type 1, Maximum Operating Speed 19,000 RPM, Reinforced Status Reinforced, Bond Type Resin