3M Floor Surfacing Rolls are recommended for general drum sanding. They are especially good for removing gummy finishes. This abrasive cuts fast.
3M 23242, Easy Change Floor Surfacing Sheets EC12x18-120, 12 in x 18 in, 120 grit, 7010369279
$4.23
This item has been Discontinued.
3M Easy Change Floor Surfacing Discs feature a Hook-It II backing for easy changes and better grip on buffer pad. Discs are sharp, fast cutting, tough, and have a flexible paper backing, while offering a better value, better finish, and long life.

3M 99430, Pro-Pak Drywall Sanding Sheet, 4.1875 in x 11.25 in, 120C Grit, 7010371363, 25 sheets per pack
3M 22394, Roloc Disc 361F, 50 YF-weight, TR, 3 in, Die R300V, 7000045096
3M 29859, Sanding Screen, 100 grit, 12 in x 18 in, 7100160861 
