The Blue Spot Tools 230mm (9") Turbo Cutting Disc is specially designed to provide fast and accurate dry and wet cutting. Ideal for cutting through general masonry, concrete, engineering bricks porcelain, ceramics, granite, and marble. High resistance to breakage and long-lasting durability. The turbo design of the blade offers long cutting life and stable cutting performance due to its ability to cool the disc more efficiently. Specially designed to provide fast and accurate dry and wet cutting with a high resistance to breakage and long lasting durability Ideal for cutting through general masonry, concrete, engineering bricks porcelain, ceramics, granite, and marble. Diameter: 230mm (9) / Bore: 22mm / Segement depth: 10mm Maximum safe speed: 9000 RPM (80 m/s) MPA Tested/EN13236