Tile Hole Saw， DRILLPRO 15 Pcs Diamond Hole Saw Remover Tools for Glass， Porcelain， Ceramic， Granite Stone  Drill Bits 6-50mm</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>[15 Sizes]: 6/ 8/ 10/ 12/ 14/ 16/ 18/ 20/ 22/ 25/ 26/ 28/ 30/ 40/ 50 mm</li><li>[Application]: Used on Drill Glass，Wood，Tile Bottles，Blocks Jars， Ceramic，Slate Mable， Granite Light Stone， and other hard surfaces</li><li>[Advantag]: Nickel-plated with a diamond dust coating offers superior performance and cutting strength</li><li>[Operation]: Start the hole diagonally， make a round braid and then hold drill straight.Water is required for lubrication when drilling</li><li>[Attention]: Reduced drill speeds， low drill pressure. Not for use on Concrete or for depths beyond about 1/2</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/410JRLm%2BMbL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41BQFTop8hL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41FDfwKFsnL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41oGa63NajL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41ZEoo5HztL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51%2Bj-psLHbL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/517GKOZHRZL.jpg' noproxy></br>