Specification Brand : CSOOM BulletPoint1 : 【Package Content】: This professional diamond drill bit set includes 13 high-quality bits with various sizes: 6 mm (1/4")* 2, 8 mm (5/16"), 10 mm (3/8"), 12 mm (1/2"), 20 mm (3/4"), 25 mm (1"), 30 mm (1-3/16"), 35 mm (1-3/8"), 40 mm (1-9/16"), 42 mm (1-5/8"), 45 mm (1-3/4"), and 50 mm (2"). The set also comes with a convenient storage case. BulletPoint2 : 【Specific Multi-Toothed】: Crafted from premium steel, these diamond drill bits are exceptionally strong and durable, allowing you to effortlessly drill through tough materials. In addition , we have adapted the normal tooth design into multi-toothed , which is one of our unique selling points that could significantly improve its' working performance , as it is able to enhance cutting precision and stability, while ensuring quick dust discharge for improved efficiency. BulletPoint3 : 【Versatile Usage】: Perfect for a wide range of applications, these diamond brazing hole openers are suitable for use on tough materials such as marble, ceramics, ceramic tiles, granite, glass, and more. Please note that they are not suitable for wood. BulletPoint4 : 【Dry and Wet Use】: Our small-sized diamond drill bits are equipped with dry wax inside the tool, which melts, cools, and lubricates the product during use, reducing obstacles and ensuring smooth drilling. For extended lifespan, water can be added to cool the temperature and enhance durability. BulletPoint5 : 【Professional After-Sales Support】: Our dedicated team of professionals is always ready to assist you with any issues or concerns. We are confident in the high-quality of our product and offer satisfactory customer service. If you encounter any problems, please don't hesitate to reach out to us. Color : 9 PCS CompatibleMaterial : Plastic CompatibleMaterial1 : Plastic CompatibleMaterial2 : Glass CompatibleMaterial3 : Ceramic CompatibleMaterial4 : Wood CompatibleMaterial5 : Marble ControllerType : Hand Control ControlMethod : touch CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier1 : 810087877330 ExternallyAssignedProductIdentifier2 : 0810087877330 ExternallyAssignedProductIdentifier3 : 0658370842500 ExternallyAssignedProductIdentifier4 : 0792864632243 ExternallyAssignedProductIdentifier5 : 00632175140061 FinishType : Uncoated GpsrSafetyAttestation : 1 IncludedComponents : QH-KKQ-15PCS ItemDisplayDimensions_Length : 15 inches ItemDisplayWeight : 2.1 pounds ItemName : CSOOM Diamond Hole Saw kit - 13 Piece, Brazed Hollow Tile Core Drill Bit Set for Ceramic, Granite, Marble, Glass, Tile, etc. ItemPackageDimensions_Height : 22.8092 centimeters ItemPackageDimensions_Length : 8.1026 centimeters ItemPackageDimensions_Width : 18.9992 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : hole-saw-sets LockType : Deadbolt Manufacturer : CSOOM Material : Alloy Steel ModelName : Arbor Quad-Lead Thread ModelNumber : FT-QHDC NumberOfFlutes : 3 NumberOfItems : 1 NumberOfPieces : 13 PackageLevel : unit PartNumber : B0CJNCC258 ProductDescription : The product contains 13 pieces of drills in various sizes made of high-quality steel. The multi-tooth design on the top of the drill enhances its functionality and efficiency. ProductSiteLaunchDate : 2023-09-23T03:23:20.640Z Size : 13PCS StreetDate : 2015-11-28T00:00:01Z Style : 9 PCS SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 SurfaceRecommendation : Ceramic, Granite, Glass, Marble SurfaceRecommendation1 : Ceramic SurfaceRecommendation2 : Stone UnitCount : 13 UnspscCode : 27112800