Black &amp; Decker 16904 Glass/Tile Drill Bit， 3/8-Inch by 3-7/8-Inch<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>High quality carbide tip provides maximum durability</li><li>Unique design prevents cracking of material</li><li>For use with cordless or corded drills</li><li>Specially designed for drilling a variety of glass &amp; tile materials</li></ul></div><img src="http://ecx.images-amazon.com/images/I/3123q2DAazL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/21EgiGHdwwL.jpg" noproxy>