Introducing the 4.5" Diamond Blade for Cutting Tile by POWERTEC. This porcelain tile cutting blade possesses a continuous rim for fast, smooth cutting. It's universal design is ideal for tile installers and DIY enthusiasts, and suitable for most tile saws and hand-held angle grinders. It has a 7/8 inch arbor hole (with 20mm - 5/8" adapter rings) and has a bonded diamond edge designed for speeds up to 13000 RPM. For use with your tile saw, the blades feature X-teeth for smooth, rapid and consistent cutting action. Premium Features: This diamond saw blade cutting tool is designed with a wobble-free thick center to avoid vibration, allowing you to cut in straight lines, and it's made to withstand extreme high temperatures. The blade possesses a heavy duty steel construction for minimal chipping and long-term durability. Plus, the super thin blade will slice your work piece like butter, leaving you with high precision cuts. Versatile Perfect for dry or wet cutting, this multi tool diamond blade can be used for cutting tile, thin masonry and various materials, including: (Suggested thickness is less than 1/2 inch) Porcelain, Ceramic, Granite, Marble, Brick, Slate, Cement Backer Board & more!.