ORI3301 Features: * Fast cut and long life due to the aggressive self sharpening ceramic grain * Tool Shape: Type 29 * Arbor Diam: 7/8 in * Grit: 80 * Speed: 13000 rpm [Max] * Abrasive Material: Ceramic * Body Material: Phenolic Backing * Applicable Materials: Stainless Steel, Inconel, Titanium, Other Hard Metals Color/Finish: * Specially formulated grinding aid prevents dulling and glazing of grain and allows for ""cool cutting"" protecting high value parts from heat discoloration