3M Company 3M-33439 Cubitron II File Belt

Features. Contains 3M precision-shaped abrasive grain coated on a heavy duty backing. Resin bonded for heat resistance. Coated with a dry grinding aid to help reduce heat buildup. 3M precision shaped ceramic grain continuously fractures into sharp points that cut exceptionally fast helping increase productivity. Engineered to run cooler reducing metal discolorationoxidation and the chance of heat related stress cracks. Coated with a dry grinding aid to further enhance the products ability to run cooler and cut faster. Grade - 60 Grit. Abrasive Mineral - Citron II