Alpha Professional Tools? is excited to introduce the Alpha? Katana. This blade is the ultimate dry cutting diamond blade for the professional tile contractor. Engineered to be the only blade you will need for cutting all materials, such as porcelain, granite, marble, engineered stone and glazed ceramic tile. If the job entails cutting porcelain for an entire house, or various materials on one job, attach this blade to your Alpha? Wet Stone Cutter or popular angle grinder. Combine this blade with the Alpha? Ecocutter Dry Tile Cutting System for the ultimate dry cutting dust-free experience! For the best choice in cutting all tile materials, choose Alpha? Katana. As with all dry blades, it may be used wet to minimize dust and extend the life of the tool.