Joysun Roloc quick change synthetic felt polishing discs are designed for final cosmetic polishing and finishing with their high purity imported felt material. They come in various densities and thicknesses and each offers a soft and flexible polishing performance when used with the recommended polishing paste or other compounds. These felt polishing discs are ideal for fast and smooth polishing performance compared to traditional polishing products. You can achieve mirror finished polishing for stainless steel, high tensile alloys, aluminum, glass, plastics and stone products.