3M Floor Surfacing Rolls are recommended for general drum sanding. They are especially good for removing gummy finishes. This abrasive cuts fast.
3M 02533, Floor Surfacing Sheets, 12 in x 18 in, Easy Change, 60 grit, 7010296622
$4.32
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 11477 Dynabelter Abrasive Belt Tool, Heavy-Duty
Insize ISH-SPHA-DL, IMPACT DEVICE DL, 6928640325199
3M 33780, 641WY 1/4" X 24", 400 Mesh Diamond Cloth Belt, 7010534915
3M 29832, Sanding Screen, 150 Grit, 18 in x NH, 7100160831 
