Specification Brand : XIANFENGHU BulletPoint1 : 【High-Quality Diamond Hole-Saw Bits】The Diamond Hole-Saw Bits feature a diamond-tipped design capable of cutting smoothly through ceramic, porcelain tile, granite, stone, marble, glass, quartz and more. BulletPoint2 : 【Drill Bits Size】Cutting diameter: 1-1/4 Inch (32mm) Cutting Depth: 2-3/4"(70mm) Shank diameter: 3/8"(10mm). There may be an error of 1-2mm in manual measurement, please don't mind. BulletPoint3 : 【Accurate Positioning Pilot bit Design】Each tile hole saw is designed with a detachable Positioning pilot drill bit, The pilot drill bit is designed for precise positioning and easy operation, allowing anyone to easily drill holes in granite or tiles. BulletPoint4 : 【Versatile Use】: Perfect for creating holes in counter tops for faucets, bathroom remodels, garbage disposal buttons and more. BulletPoint5 : 【Dual Uses for Dry & Wet Drilling】Our diamond hole saw have undergone special high-temperature resistance treatment, so that they can be directly dry drilling without adding water as a coolant. But in order to extend the use of diamond drill bits, it is recommended to add water or other coolants during the drilling process. Color : blue ExternallyAssignedProductIdentifier1 : 4009314984774 ExternallyAssignedProductIdentifier2 : 04009314984774 GpsrSafetyAttestation : 1 IncludedComponents : no ItemDisplayWeight : 475 grams ItemName : 1-1/4"(32mm) Diamond Hole Saw Bits with Pilot Drill Bit, 1PCS Diamond Tip Tile Hole Saw Bits with Guiding Bit Easy Drilling for Ceramic Tile, Granite, Marble, Glass, Quartz and Vitrified Tile ItemPackageDimensions_Height : 0.45 inches ItemPackageDimensions_Length : 2 inches ItemPackageDimensions_Width : 1.5 inches ItemPackageQuantity : 1 ItemTypeKeyword : hole-saws Manufacturer : XFH Material : Diamond ModelNumber : 498477 NumberOfItems : 1 PackageLevel : unit PartNumber : 1-1/4inch 1pcs ProductDescription : Product Specifications: Material: Diamond Cutting Diameter: 1-1/4"(32mm) Shank Type: Triangular Shank Application: Perfect for creating holes in countertops for faucets, garbage disposal buttons, bathroom remodels, HVAC systems, and more. Whether you're installing pipes, lines, or needing precise cuts for pottery and planters, these tools handle it all. Tips: 1.To boost performance and preserve the life of the bits, a water-cooling method is recommended. 2.Start with the removable pilot drill bit installed for precise positioning at first, then use the hex wrench to remove the pilot bit and cut a precise hole with the diamond hole saw in wobbling motion.