Aluminum Oxide, Connector Size 3 in, Connector Type Unthreaded Hole, Grit 60, Overall Diameter 10 in, Overall Thickness 1 in, Compatible Tool Type Cylindrical Grinder, Surface Grinder, Tool and Cutter Grinder, Primary Material Application Nickel Alloy, Steel, Tool Steel, Specification 38A60-IVBE, Wheel Hardness I, Wheel Type Type 1, Maximum Operating Speed 2, 485 RPM, Series 38A, Grade Medium, Bond Type Vitrified, Color White, Item Straight Grinding Wheel. This item has been restricted from sale in the following state (s): []