Joysun Zirconia vulcanized fiber discs are very high performance abrasive tool heads featuring premium quality zirconium oxide grains bonded onto the high strength vulcanized cotton fiber backing. These fiber discs provide improved stock removal, reduced thermal loads on poor heat conducting materials. The zirconia fiber discs deliver a consistent coarser grinding and uniform cutting results each time with their excellent service lifetime. Joysun Zirconia Fiber Discs are compatible with powerful angle grinders for a variety of applications from coarse grinding to preparing polishing on all ferrous and non-ferrous metals, stainless steel, iron, brass, and aluminum alloys.