Porcelain diamond blade 115 x 22.23mm faithfull tt101802522, 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. All blades have a centre core reinforcement plate that prevents the blade de tensioning to increase blade life and reduce vibration. Conforms to en 13236.this faithfull porcelain diamond blade has the following specification disc diameter 180mmbore 25.4mmbush 22.23mmmax. Rpm 13,300 faithfull tt101802522 porcelain diamond blade 180 x 25.4mm