Lenox Tools 3084712X 12-Inch Hole Saw Extension 1/2-Inch Chuck</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Hardened carbon steel for strength</li><li>Extension is compatible with 2L SNAP-BACK arbors</li><li>Fits 1L， 2L and 3L solid-hex arbors and 2L hollow-hex arbors</li><li>1/2" or larger chuck size</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/21kylXZzeYL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41iinhHzhWL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/411VxhmBkLL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31Jkr50JIPL.jpg' noproxy></br>