Multi use material is best for: Wood and woodworking (hardwood and softwood). Also excellent for: leather, rubber, plastic and light metal working of non ferrous metals (aluminum, titanium, brass, Bronze, copper). Premium Aluminum Oxide Open Coat material with grinding aid reduces heat and buildup. Ultra strong and Precision built bi-directional tape joint. Belts can be run in either direction. We are the manufacturer! Factory Direct and built in USA by Red Label Abrasives. Guaranteed or Money Back. 6" X 80" 80 Grit premium inudustrial quality general purpose Aluminum Oxide sanding belts. Sold in packs of 2. Premium open coat, heavy X weight cloth Aluminum Oxide (A/O) backing offers a High quality and long lasting cut that works great on wood (hardwood and softwood), nonferrous metal, plastics, etc. Great for general purpose use. Open coating and imbedded top coat resists loading. Bi-directional tape joint. Dry applications. Assembled in USA.