Our 3M™ Roloc™ Disc Pack 982S includes 3M™ Cubitron™ II and Scotch-Brite™ discs in two-inch diameters in a range of grades to introduce you to some of our best-selling quick-change abrasive discs. Along with this set of 21 discs, you get the Roloc disc pad and adapter to use with your disc sander.