3M Scotch-Brite Roloc Disc SE-DR, Aluminum Oxide, 2" Diameter, TR, CRS Grit, Lot of 50 Scotch-Brite Roloc SE Surface Conditioning Disc combines a coarse, non-woven disc to perform heavy-duty deburring and finishing with the efficiency of the 3M Roloc quick-change attachment system. Our heavy-duty non-woven fiber construction conforms well to help preserve irregular or contoured surfaces and our Roloc backing supports the disc to allow for aggressive cutting. Course, tough non-woven disc aggressively deburrs and finishes. Open-web construction resists loading and runs cool, producing consistent finishes. Conformable disc conditions surfaces without gouging, undercutting, or damaging the base material. Convenient 3M Roloc attachment system offers quick and easy disc change-out for multi-step finishing processes., Lot of 50