Feature●【FULLY HARDENED DRILL BODY】Made of industrial grade carbon steel with nickel-plated coated body to resist corrosion. Fine workmanship, super wear-resistant and sharp teeth●【LARGE DIAMOND SEGMENT TEETH】- Provides fast and smooth cutting. Cuts it like a butter.●【MULTIPLE APPLICATIONS】- Ideal for cutting Porcelain, Ceramic Tile, Brick, Granite and Concrete. Meets your demand for DIY projects and household maintenance.●【Tile Hole Saw 10 Sizes】 6/ 10/ 12/ 20/ 22/ 25/ 32/ 38/ 50 mm. Meets all your demands●【WET CUTTING REQUIRED】Please keep adding water while the diamond drill bits are working. Apply low drill pressure and increased use of water lubrication will extend lifespan of the bit.Description