The Faithfull Porcelain Series Diamond Blades are ideal for cutting ceramic, porcelain, granite, porcelain based paving and marble. Wet cutting is recommended for a longer blade life and dust suppression, but they can also be used dry. The long-lasting, 10mm deep, continuous sintered rim enables fast and clean cuts. Disc Diameter: 115mm Bore: 22.23mm Max. rpm: 13,300