YLYL 15 Pcs Diamond Drill Bits for Ceramic Diamond Hole Saw Drill Bit Set Kit

TipDiamond Drill Bits For Ceramic, When You Using The Diamond Hole Saw, Please Use Lubrication (water), Lubrication Will Extend Drill Bits Life. 15 Sizesdiamond Drill Bits For Ceramic, 6mm/0.23″, 8mm/0.31″, 10mm/0.39″, 12mm/0.47″, 14mm/0.55″, 16mm/0.62″, 18mm/0.7″, 20mm/0.78″ , 22mm/0.86″, 25mm/0.98″, 26mm/1.02″, 28mm/1.1″, 30mm/1.18″, 40mm/1.57in, 50mm/2″. Glass Cutting Drill Bit To Meet Various Demands! Wide Usagediamond Hole Saw Drill Bit Set Kit Removes A Complete Circle From Glass, Marble, Tiles,granite, Ceramic Or Other., Perfect For Drilling Glass, Porcelain Tile, Granite, Bottles, Wood, Blocks Jars, Ceramic Marble And And Other Hard Surfaces Etc.