3M Floor Surfacing Rolls are recommended for general drum sanding. They are especially good for removing gummy finishes. This abrasive cuts fast.
3M 02532, Floor Surfacing Sheets EC12x18-36, 12 in x 18 in, Easy Change, 36 grit, 7010340582
$5.38
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.

3M 24049, Wetordry Cloth Disc 281W, P1000 YF-weight, 8 in x NH, Die 800JM, 7000045052
Standard Abrasives 42663, A/O Flap Wheel 625405, 3 in x 1 in x 1/4-20 in 60, 7010369121, 10 per case
3M 29859, Sanding Screen, 100 grit, 12 in x 18 in, 7100160861 
