Features: Wide Usage: It can be used for grinding and polishing the surface of steel, aluminum, copper, plastic, wood, stone, concrete and so on. Application: For quick and effective removal of automotive paint, wood paint, rust, oxidation, descaling. High Quality: These discs are all high performance that made of high quality material with strong and high toughness, durable with high abrasive resistance. Function: Remove the paint or rust without damaging the original surface with uniform grinding and less dust. Package: 1pc 5 Strip Discs Stripping Wheel, purple and blue can be chosen.