Diamond Polishing is a revolutionary cleaning system consisting of floor pads containing billions of microscopic diamonds which clean and polish the floor mechanically instead of using chemicals. Diamond Polishing can be used on most common floor surfaces such as terrazzo, natural stone, concrete, vinyl, and epoxy. Diamond Polishing transforms dull, worn floors into clean, glossy, and brightly polished floors. 800 Grit Diamond Pad for Deep Cleaning and light scratch removal on concrete, terrazzo and natural stone floors. Leaves a clean, smooth floor ready for the next step. Recommended for use on machines up to 3,000 rpm. Sold 2 pads per case.