Specification Brand : Wisecoco BulletPoint1 : HIGH TEMPERATURE RESISTANT PLATING --- Hole opener adopt excellent full emery plating, high temperature quenching, high hardness, incisive and durable BulletPoint2 : SUPPORT DRY DRILLING --- Realize dry drilling of bit by cooling wax, which can effectively transfer heat and prevent drill burning BulletPoint3 : UNIVERSAL SHANK --- Brazing hole opener with universal round drill shank, suitable for most electric drills, holding firmly BulletPoint4 : APPLICABLE MATERIALS --- Brazed drill can be used for granite, ceramic, marble, stone, glass, diamond coating and other hard materials BulletPoint5 : 5PCS IN TOTAL --- The package contain a total of 5pcs brazed hole saw, enough for you to replace and use, very convenient CompatibleMaterial : Stone CompatibleMaterial1 : Stone CompatibleMaterial2 : Marble FinishType : Finish IncludedComponents : inc ItemName : Wisecoco 5Pcs Diamond Hole Saw Set, Brazing Hole Opener Diamond Brazed Saw Multifunctional Marble Tile Glass Drill Power Tool Accessories for Tile, Drill, Glass, Marble, Granite ItemPackageQuantity : 1 ItemTypeKeyword : hole-saw-sets Manufacturer : Wisecoco Material1 : Diamond Material2 : Ceramic PartNumber : Wisecocontx31vush2 ProductDescription : Specification: Item Type: Brazing Hole Opener Material: Diamond Weight: 87 g / 3.1 oz(approx.) Product Size: Approx. 10 x 10 x 2cm / 3.9 x 3.9 x 0.8in Application: Can be used for granite, ceramic, marble, stone, glass, diamond coating and other hard materials