"Advantage Flap Wheels are used when low price and good value are required! For blending and finishing all types of steel, stainless steel, aluminum, and other non-ferrous materials, as well as plastics, acrylics, and wood. All Advantage flap wheels are made with excellent European-produced aluminum oxide resin bond cloth for a controlled cut and uniform finish throughout the entire life of the wheel. They are used for quick stock removal, light deburring, cleaning welds, removing rust, and other surface imperfections."