BQLZR 4mm Diamond Coated Hole Saw Core Drill Bits Glass Tile Marble Granite Pack Of 10<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>It can cut tidy， smooth， no broken edges and no tremor phenomenon</li><li>Small incision resistance， improved the openning speed</li><li>Note: Please pay attention to add water to cool when processing ， overheating will increase the loss of diamond powder</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51S7fPSX7aL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41RaKoG1KkL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31-EELWAxwL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31UgyYke8UL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31JSxiEkA2L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31JSxiEkA2L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41nOQdT960L.jpg" noproxy>