RUBI | Continuous Rim Diamond Blades for General Cutting of Ceramic Tiles | Cut of Ceramic Tiles as Wall Tile, Floor Tiles, Porcelain | CEV 180 SUPERPROThe combination between the diamond grain and the alloy that makes up the bond, makes CEV diamond blades by RUBI perfect for general cutting of ceramic tiles like glazed or porcelain tiles. 7" 180 mm, RPM 8500 max The best finish. To cut and mitre ceramic tiles and other stone coating materials with less than 3 4" (20 mm) thickness. SUPERPRO blades are the best choice for the most demanding jobs. Using a general cutting diamond blade, such as the CEV,