DEWALT DW5439 1/2-by-10-by-12-Inch Rock Carbide SDS Plus Hammer Bit<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>ROCK CARBIDE® Tip for Longer Bit Life</li><li>Elongated Four Flute Helix for Faster Material Removal</li><li>Increased Steel Prevents Breakage</li><li>For use with electric or cordless rotary hammers.</li><li>Used for drilling holes in poured concrete and other masonry up to 1-1/8" diameter</li><li>ROCK CARBIDE tip for longer bit life</li><li>Elongated four flute helix for faster material removal</li><li>Increased steel prevents breakage</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31qgaSomrAL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/21Eb0jA2OzL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41nNoOmJF4L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31sPO1RsSeL.jpg" noproxy>