Scotch-Brite 17182 Roloc Unitized Wheel Pack 988S, 3 in,Tough, layered, unitized construction deburrs and finishes in one step Resists smearing for cleaner surfaces and less preparation Minimizes heat build up to lessen impact on heat sensitive materials 3M Roloc quick change threaded attachment enables fast and easy wheel change out for multi step finishing processes Pack includes densities and grades ranging from soft and conformable to hard and aggressive for utility in a wide variety of applications