Specification Brand : Lethend BulletPoint1 : High Quality Material - Made of high strength carbon steel with A thicken Diamond coating on the surface makes the drill bit rustless & durable. Offers superior performance and cutting strength BulletPoint2 : Excellent Design- All the hole saws are processed. The chip groove is convenient for easily remove tile glass chip. It is important to note that you must keep your drill bit wet as the friction of the bits and materials build up heat quickly BulletPoint3 : Diamond hole saw can reduce incision resistance and drill pressure, increases the sharpness, and effectiveness of water lubrication. Excellent for making clean and precise holes on glass or ceramic and considerably extending drill bit life BulletPoint4 : Kinds of Size- 10 Pcs different sizes diamond drill bits set to satisfy all you demand: 6, 8, 10, 12, 15, 16, 18, 20, 22, 30 mm BulletPoint5 : Multipurpose - Diamond Hole Saw bits are versatile drill bits that allow you to cleanly cut glass, ceramics, porcelain, ceramic tile, porcelain tile, limestone, slate, marble, granite, light stone and fiberglass, Quartz, etc Color : Silver ExternallyAssignedProductIdentifier : 8011678562570 ExternallyAssignedProductIdentifier1 : 0781643070871 ExternallyAssignedProductIdentifier2 : 781643070871 ItemName : Diamond Drill Bit Set, 10 Pcs Tile Glass Hole Saw, Hollow Core Extractor Remover Tools for Tiles, Glass, Fish Tanks, Marble, Granite, Ceramic, Porcelain, Bottles, Quartz, Silver Diamond Coated Drills ItemTypeKeyword : hole-saw-sets Manufacturer : Lethend Material : Diamond+HCS PartNumber : AXH16100522 ProductDescription : Description: Multipurpose - Diamond Hole Saw bits are versatile drill bits that allow you to cleanly cut glass, ceramics, porcelain, ceramic tile, porcelain tile, limestone, slate, marble, granite, light stone and fiberglass, Quartz, etc ProductSiteLaunchDate : 2018-12-18T08:00:00.000Z Style : Multipurpose