Use the 3M™ Scotch-Brite™ SE quick-change disc for heavy-duty deburring and finishing with the efficiency of a hook-and-loop attachment system. Nonwoven fiber construction conforms well to help preserve edges as well as irregular or contoured surfaces. • Aluminum oxide abrasive offers high cut rate, hardness, strength, and low heat retention. • Ideal for grinding applications, sanding and finishing use. • Suitable on a wide variety of substrates in both woodworking and metalworking, including ferrous alloys. • The quick-change disc easily and quickly attaches onto a Roloc™ disc pad (sold separately) to help provide conveniently change discs from job to job or in multistep finishing processes.