Pro-Quality 20-Piece Diamond Bur Set for Rotary Tool - Glass， Stone， Ceramic<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Includes 20 assorted shapes covered with diamond particles</li><li>All bits have 1/8-Inch shanks and come in convenient plastic holder</li><li>Excellent for fine detail work， cutting， engraving， carving， touch-up and finishing</li><li>180 grit</li><li>Made in China</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41iDiyj59WL.jpg" noproxy>