DEWALT DW5231 3/8-Inch x 12-Inch Carbide Hammer Drill Bit<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>ROCK CARBIDE® tip maximizes carbide surface contact for longer bit life</li><li>Four flute design cleans debris out for fast， efficient drilling</li><li>Three flats on shank eliminate bit slipping in chuck</li><li>.</li><li>.</li><li>.</li><li>.</li><li>.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31lpnuBLdIL.jpg" noproxy>