DEWALT DW1688 1-1/16-Inch by 17-Inch Ship Auger Bit</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Self feed spur for fast material penetration</li><li>Dual cutting edge for maximum durability in nails</li><li>Hardened alloy steel provides superior bit life</li><li>7/16-inch ball groove shank allows for quick bit changes</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/31LUQzJgxBL.jpg' noproxy></br>