Roloc™, 7000120363, Diamond Disc, Type TR Flexible, 2 in Diameter Disc, 250 micron Grit, Diamond Abrasive, Applicable Materials: Carbide, Ceramic, Chilled Cast Iron, Chrome Carbide, Chrome Oxide, Granite, Hard Composite, HVOF, Nickel Based, Non-Ferrous Metal, Soft Composite and Tungsten Carbide