Abrasive Cut-Off Wheel, Abrasive Material Aluminum Oxide, Grit 36, Connector Size 1/4 in, Connector Type Unthreaded Hole, Overall Diameter 3 in, Overall Thickness 0.035 in, Compatible Tool Type Die Grinder, Primary Material Application Cast Iron, Stainless Steel, Steel, Series A36T, Wheel Type Type 1, Maximum Operating Speed 25,000 RPM, Reinforced Status Reinforced, Bond Type Resin The SAIT(TM) Type 1 general-purpose cut-off wheel features aluminum oxide abrasive. For cutting and grinding ferrous metal and stainless.