3M™ Roloc™ Disc 361F offers a quick-change attachment and provides durability and high performance for grinding, blending, deburring, and finishing on all metals. Fast-cutting aluminum oxide abrasive grains are bonded to the heavyweight cloth backing with durable, heat-resistant resin that supports both wet and dry applications. A general purpose 3M™ Roloc™ disc made of aluminum oxide minerals. It provides a fast and efficient method for grinding, light grinding, blending and deburring on all metals. Discs lock securely in place with just a half twist - another half twist and they’re off. Each disc is colour coded by grade.