IRWIN 1869381 WeldTec Self-Feed Wood Drilling Bit， 1-Inch</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Innovative welded cutting edge for extreme life in tough materials， including nail-embedded wood</li><li>Replaceable screw-point tip is larger and more durable and pulls bit fast for clean， true holes versus previous IRWIN self-feed bits</li><li>7/16" hex quick-change shank reduces slipping in standard chucks and is compatible with all 7/16" impact drills</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/310WgcFGJ8L.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31FMbz50WcL.jpg' noproxy></br>