Engineered with a premium, self-sharpening zirconia alumina abrasive, ProSand R811/R816/R831 medium grit cloth portable belts cut faster and last longer than competing products. Ideal for medium grit stock removal, these belts utilize patented grain technology for exceptional finishes. With anti-static technology for efficient dust collection, they help maintain a cleaner workspace. Convenient packaging ensures protection during transport and easy storage.