Product specifications: 8 inches (200mm), 10mm drill pipe hole Type: Polishing Color: white, yellow Usage: repair brass, clean furniture, polish jewelry, cut uneven stainless steel, process car bodies, wax surfaces, finish metal, polish glass, repair cast iron, etc The polishing wheel made of high grade cotton cloth, like the wheels of cars and bicycles, has a 10mm middle hole. It is installed on a table grinder, angle grinder, hand drill, etc. Used for brass, stainless steel, aluminum and other metals, Polishing, waxing, cleaning, and repairing of wooden furniture, plastic, glass, and hardware jewelry make things easy to use, smooth and bright.