61463622342 Grinding Cone, Abrasive Material Aluminum Oxide, Abrasive Type Type 16, Compatible Tool Type Die Grinder, Connector Size 3/8 In.-24, Connector Type Threaded Hole, Grit 24, Overall Diameter 1 in, Overall Length 3 in, Primary Material Applicationn Aluminum, Brass, Bronze, Cast Iron, Copper, Nickel Alloy, Stainless Steel, Steel, Titanium, Tool Steel, Product Type Cone,Maximum Operating Speed 36,290 RPM, Specification 57A24-R, Tip Type Round