The MEXCO Ceramica Diamond Dry Polishing Disc. The ultimate dry polishing system for marble, granite and other natural stones. Ideal for working on site, widely used by floor renovators, restorers and natural stone floor specialists. These premium diamond dry polishing discs should be used on Angle Grinders with speeds between 11000-13000 RPM.Select Option 100 Grit1500 Grit200 Grit3000 Grit400 Grit50 Grit800 Grit Add to Basket Quantity