12 Pcs Diamond Drill Bit，Diamond Coated Core Hole Saw Drill Bit for Glass，Tiles，granite，Ceramic</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Pack of 12， including sizes:6mm， 8mm， 10mm，12mm， 14mm， 16mm， 18mm， 22mm， 35mm. 40mm，45mm， 50mm</li><li>Diamond coated core，suitable for glass，tiles，stone，wood，granite，ceramic and porcelain</li><li>Please keep adding water as lubrication when drilling，do not use it on concrete or for depths beyond 1/2"</li><li>CATWALK diamond drill bit fits a standard electric drill</li><li>Extremely tough， excellent stability and long serving life</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/51qBNeXOFBL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41KvmL3lygL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41Zg7%2BLlVRL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41KEXtTbXHL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41lMypwwpjL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31WA5R0QkVL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41%2By-OROIZL.jpg' noproxy></br>