Bosch HCBG08 1/4 In. x 12 In. BlueGranite Carbide Hammer Drill Bit<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Robust head provides 4X longer life</li><li>Various useable lengths</li><li>Milled u-flutes with deep-cut spiral for fast dust removal</li><li>Diamond ground carbide tip for precise starts in tile and hard stone</li><li>PowerGrip shank for aggressive gripping power</li></ul></div><img src="http://ecx.images-amazon.com/images/I/318XN6QXXKL.jpg" noproxy>