2" X 48" 1000 grit premium ultra fine flexible multipurpose sanding belts. 12-Pk. Aluminum Oxide (A/O), closed coat, flexible FF weight poly/cotton cloth backing. Ideal for ultra fine finishing, knife sharpening, pen turning, and polishing of any material. High quality and long lasting multipurpose industrial abrasive sanding belts provide an even finish on hardwood, softwood, metals (aluminum, steel, iron, brass, bronze, etc.), plastics, composites, and solid surface. Water resistant belts. Resin over resin bonding. Premium bi-directional tape joint allows belts to run in either direction. Anti-static sandpaper material reduces dust. Hand built in the USA. Guarunteed or your money back.