Upgraded ALuminum: Roll lock discs are made for high-quality proffessional aluminum oxide.We have done a lot of testing to give you the most satisfying experience in order to give you best product. MAX PERFORMANCE: Surface conditioning discs are uitable for stainless steel, alloys, non-ferrous materials, plastics, and fiberglass; useful for auto body and automotive work, such as rotor finishing, and on motorcycles, boats and so on.
