<p>Big Horn <strong>19392</strong> 6pc assorted shapes 80 grit diamond burr set with 1/4" shank. Use them to grind, cut and remove burrs on glass, metal, stone, wood, ceramics, granite, porcelain, fiberglass and plastic.  Each has a 1/4 inch shank for use with rotary tools, drills, and grinders.</p><p><strong>Features</strong>:</p> <ul> <li>6 Assorted shapes</li> <li>Remove burrs on glass, metal, stone, porcelain, marble, granite, wood, ceramics, fiberglass and plastic</li> <li>Excellent for fine detail work, cutting, engraving, carving, touch-up and finishing</li> <li>Diamonds are nickel-bonded to the surface</li> <li>Each has a 1/4" shank for use with rotary tools, drills, and grinders.</li> </ul>