The 3M™ Scotch-Brite™ Roloc™ quick-change disc deburrs, cleans, and provides satin finishes. Roloc attachment system allows quick-and-easy disc change-out for multistep finishing processes. Open web construction resists loading and runs cool for consistent finishes. Disc works well on flat or irregular surfaces without damaging or altering base material. Aluminum oxide works on a wide variety of substrates in both woodworking and metalworking, including ferrous alloys.