3M 1406 3" Green Corps Surface Prep Disc 50-Grit (25pk). An aluminum oxide Roloc disc constructed on a YF weight, water resistant polyester cloth backing. Resin bonded for heat resistance. Can be run wet or dry. Grade: 50. Primary markets: metalworking, woodworking. Generally used for hard to reach areas in paint, rust, and weld removal.
3M - Scotch