Recessed Grinding Wheel, Abrasive Material Aluminum Oxide, Connector Size 5 in, Connector Type Unthreaded Hole, Grit 46, Overall Diameter 12 in, Overall Thickness 2 in, Wheel Hardness I, Specification 38A46-IVBE, Wheel Type Type 7, Compatible Tool Type Cylindrical Grinder, Surface Grinder, Primary Material Application Nickel Alloy, Steel, Tool Steel, Maximum Operating Speed 2, 070 RPM, Recess Depth 1/2 in, Recess Diameter 7 1/2 in, Bond Type Vitrified, Color White, Grade Coarse. This item has been restricted from sale in the following state (s): []