Norton® NorZon® R823 120 Grit X Weight Plyweld RR Joint Benchstand Narrow Belt measuring 1" X 42" is made from self-sharpening zirconia alumina abrasive material and features waterproof polyester backing. Belt is used for heavy pressure applications and offers great grain adhesion for longer life. The aggressive belt provides a rapid cut rate and offers a minimized edge fray along with good body retention for product consistency. It is sold as 200 per pack.