Dish Grinding Wheel, Abrasive Material Aluminum Oxide, Back Thickness 11/16 in, Connector Size 1 1/4 in, Connector Type Unthreaded Hole, Grit 54, Overall Diameter 10 in, Overall Thickness 1 in, Rim Thickness 2 in, Primary Material Applicationn Aluminum, Cast Iron, Stainless Steel, Tool Steel, Compatible Tool Type Tool and Cutter Grinder, Specification 32A54-JVBE, Wheel Hardness J, Wheel Type Type 12, Maximum Operating Speed 2,485 RPM, Bond Type Vitrified, Color Purple, Grade Medium, Series 32A