SawMaster Prolong Series - WetSaw Master Prolong Series of Continous Rim Diamond Blades For Cutting Tile and Porcelain The Prolong Series Specialty Continuous Rim Blades are designed to quickly cut granite, porcelain tile and various other materials with minimal chipping due to its special bonding system and high tension steel core. The extra high rims extends the life of the blade, thus yielding a lower cost per cut. Applications Porcelain, Medium Hard Brick, Marble, Granite,