ARTU USA 01020 Multi Purpose Drill Bit， 3/16-Inch x 3-1/2-Inch<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>This are power core drills</li><li>This are highly durable</li><li>This is manufactured in China</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41kk%2BrAtZRL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31Dpx%2Bb5XZL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51VHZ3DEJfL.jpg" noproxy>