DEWALT DW5228 5/16-Inch by 6-Inch Carbide Hammer Drill Bit<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>The product is 5/16x6 Perc Drill Bit</li><li>Easy to use</li><li>The product is manufactured in China</li><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></ul></div><img src="http://ecx.images-amazon.com/images/I/31wTlZwUk2L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31qLr5JYdTL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51jWBQ4MWOL.jpg" noproxy>