3M Floor Surfacing Rolls are recommended for general drum sanding. They are especially good for removing gummy finishes. This abrasive cuts fast.
3M 06875, Floor Surfacing Rolls, 8 in x 25 yd, 20 grit, 7010401383
$174.05
Factory Stock, 7-10 Day Leadtime
3M Resinite Floor Surfacing Rolls are for drum sanding machines on commercial and residential jobs. Use for general sanding. Durable mineral on paper or combination backing. Fast cuts, better finish, longer life, time savings.

Dynabrade 64350 26" W x 36" L (660 mm W x 914 mm L) Metal Capture Downdraft Station, 230 V (AC)
Dynabrade 79687 8" 120 Grit, Extreme Orange Hook & Loop Disc w/8 Vac Holes, 25 per Box
Dynabrade 14360 Pneumatic Pipe Belt Finisher
3M 15145 Scotch-Brite Surface Conditioning Low Stretch Belt, SC-BL, A/O Medium, 1 in x 132 in, 7010364529 
