Cut glass, ceramic, even carbide. Useful in tight places and for flush cutting. Industrial diamonds will last longer and cut better than other abrasives.Nickel plated diamond. Cut glass, ceramic, even carbide. Useful in tight places and for flush cutting. Industrial diamonds will last longer and cut better than other abrasives. Nickel plated diamond. Will fit in standard rotary tool , incl: Dremel, Sears(craftsman) Foredom etc. Shank: 1/8'' Diameter: 1 1/2'' Face: .022'' Grit: 80-120 Maximum speed: 22,000 RP