<b>Features</b> <ul> <li>For large holemaking in sheet metal and other materials up to 0.12 in. thick</li> <li>Made from high speed steel with precision cutting teeth, lasts 3x longer and cuts 10x faster that bi-metal hole saws or twist drills</li> <li>All cutters use a single arbor, with a patented Quad-Lead thread mounting system.</li> <li>Diameter - 1.25 in.</li> </ul>- SKU: MED06077