Aluminum Oxide, Connector Size 1 1/4 in, Connector Type Unthreaded Hole, Grit 60, Overall Diameter 10 in, Overall Thickness 1 in, Compatible Tool Type Bench Grinder, Primary Material Applicationn Cast Iron, Stainless Steel, Steel, Tool Steel, Specification A60-VBE, Wheel Hardness V, Wheel Type Type 1, Maximum Operating Speed 2,485 RPM, Reducer Bushing Size 3/4 in, 7/8 in, 1 in, Grade Medium, Bond Type Vitrified, Color Brown, Item Straight Grinding Wheel