<div><b>Product Overview</b></div><div><ul><li>Ideal for shaping, hollowing, grooving, slotting, inlaying and making tapered holes</li><li>For wood, fiberglass, plastic and soft materials</li><li>Use higher speeds for hard woods, slower speeds for metals and very slow speeds for plastics</li><li>Ideal for use on curved surfaces</li></ul><b>Technical specifications</b></div><div><div><div>Bit Diameter Inch 1/8"</div></div><div><div>Bit Diameter mm 3.175 mm</div></div><div><div>Description Engraving Bit</div></div><div>Max. Operating RPM Do not run in excess of 35,000 RPM<div><div>Overall Length 1.5</div></div><div><div>Shank Diameter 0.125</div></div></div></div>