Designed to last up to 30 percent longer than competitors' zirconia alumina discs, the Blue Fire R884P coarse grit arbor thread plastic heavy duty flat flap disc fits right angle grinders for use on stock removal, blending, beveling and deburring applications. The zirconia alumina abrasive produces great cutting action, and the lightweight fiberglass and resin backing plates minimize vibration for optimal operator comfort. A versatile disc that can handle a wide assortment of metals, the R884P features high-density jumbo semi-open flaps that ensure minimal loading when working with soft metals.