3M Scotch-Brite Roloc SE Surface Conditioning Disc provides an extra cut and long life, while heavy duty web construction offers a resilient disc edge, helping to reduce tearing when pushed against corners and welds. These coarse discs are ideal for heavy duty blending, grinding, refining and deburring. The aluminum oxide material provides the discs with a high cut rate, and is suitable for use on a variety of substrates in professional metalwork applications, including ferrous alloys. These small, quick change discs can be easily attached to a Roloc disc pad (sold separately). Discs grades are color coded for easy identification. Complete jobs and multi step finishing processes efficiently with 3M Scotch-Brite Roloc SE Surface Conditioning Disc.