3M 80001413972 is part of the 3M Scotch-Brite Radial Bristle Disc, a patented form of abrasive tool that uses both flexible bristle brushes and abrasive coated abrasive fibers. It is designed to be used for light rust and paint removal, polishing, blending, and surface preparation. It is available with various bristle grades, each designed for different types of tasks. This particular disc has an abrasive grade of 4, which is designed for general scrubbing, light grinding, and deburring. It also has a maximum operating speed of 15,000 RPM.