3M Floor Surfacing Rolls are recommended for general drum sanding. They are especially good for removing gummy finishes. This abrasive cuts fast.
3M 02534, Floor Surfacing Sheets, 12 in x 18 in, Easy Change, 80 grit, 7010384974
$3.95
Factory Stock, 7-10 Day Leadtime
Hook-it II Floor Surfacing Abrasive Sheets are coated on heavyweight paper. Easy-to-use on rectangular floor sheet sanding machines. Hookit II backing provides positive locking to driving pad.

Dynabrade 40381 Dynafile II Abrasive Belt Tool, Slow Speed
3M 51033, Roloc Disc 361F, 36 YF-weight, TSM, 3 in, Die RS300VM, 7000148150
3M 85562, Heavy Duty Duct Tape 3939, Silver, 72 mm x 54.8 m, 9.0 mil, 7000048815
3M 67700, Cloth Belt 577F, 120 YF-weight, 3-1/2 in x 15-1/2 in, Fabri-lok, Single-flex, 7000119448, 50 per case
3M 71883, Flexible Diamond Hand File 6210J, No 2, White, 18, N20, 7000082161, 10 Per Case 
