Effectively removes scratches and stains from the surface and leaves a clean, matte surface prepared for the subsequent Black Diamond steps. Made of 100% recycled polyester impregnated with billions of microscopic diamonds. Remove debris on the floor's surface by dry mopping. Dry mopping reduces the wear on your Black Diamond pad, as well as on the floor and cleaning tools. A diamond impregnated floor pad used for light honing, heavy duty cleaning, and restoration. For heavy duty cleaning of worn natural stone and concrete floors. Use wet on floor machines up to 350 RPM.