Joysun non-woven satin finish drums are a high quality surface finishing tools that are produced with a built-in plastic bushing core with a keyhole or quick change thread arbor for quick tool changing. All of the products are made using non-woven abrasive flaps that feature premium quality alumina oxide grains. These drums are outstanding when used with satin finishing machines and they have a wonderful balance of flexibility and strength. They are recommended for polishing large flat surfaces made from stainless steel, high tensile alloys, carbon steel, aluminum alloy, glass, plastics, marble and stone.