Specification Brand : Xnferty BulletPoint1 : Cutting: These Hole Saws are designed with high-quality diamonds-coated tips that provide precise and clear cuts. With a diameter of 22mm, they are perfect for creating precise holes in various materials. BulletPoint2 : Easy to Use: These Hole Saws are designed for convenience and ease of use. The drill bit opener allows for quick and hassle-free attachment to your drill. Additionally, the ergonomic design provides a comfortable grip, reducing fatigue during prolonged use. BulletPoint3 : Smooth and Efficient Operation: The Hole Saws feature a hollow design, enabling efficient chip removal during drilling. This design prevents clogging and ensures a smooth drilling process, saving you time and effort while achieving accurate results. BulletPoint4 : Durable and Long-lasting: Crafted with high-quality materials, these Hole Saws are built to withstand rigorous use. The brazed diamonds coating ensures durability and longevity, allowing you to rely on them for numerous projects without compromising their cutting performance. BulletPoint5 : Versatile Application: Whether you're working with slate, porcelain, marble, glass, granite, or ceramic tile, these Hole Saws are your go-to tool. Their versatility allows you to tackle a wide range of projects, making them ideal for both professional contractors and DIY enthusiasts. CompatibleMaterial1 : Porcelain CompatibleMaterial2 : Marble IncludedComponents : inc ItemName : Xnferty Dia Hole Saw Drill Bit Slate Porcelain Marble Hollow Brazed Hole Saw Opener Marble Hole Opener 65mm Incisive Durable Stable Safe Hole Saw for Ceramic Glass Tile Porcelain ItemPackageDimensions_Height : 7 centimeters ItemPackageDimensions_Length : 8 centimeters ItemPackageDimensions_Width : 7 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : hole-saws Manufacturer : Xnferty NumberOfItems : 1 PartNumber : Xnfertyzrt0bhn4u341405 ProductDescription : Feature: 1. You can tighten the fixing screws with a wrench to make the drill bit more stable and safer. 2. After heat treatment, the hole cutting head becomes sharper and longer lasting. 3. The triangular foot handle design can make the hole opener more stable during use. 4. Wide usage,used on drill glass,wood,tile bottles,blocks jars, ceramic,slate mable, granite light stone, and other hard surfaces. 5. Each hole is treated with accurate treatment,and the summit on the hole is thickened to achieve excellent cutting strength.