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
$4.00
Factory Stock, 7-10 Day Leadtime
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.

Standard Abrasives 32938, PSA A/O Disc, 710322, 3/4 in x NH, 120, 7000121791
3M™ 72016, Remote Alarm & Strobe 529-05-20, Audible, 7000131708, 1 EA/Case
3M 77197, Scotch-Brite™ Roloc™ Deburr and Finish PRO Unitized Wheel,TR, 3 in x 1/8 in x NH, 8C CRS+, 7100109130, 40/box
Dynabrade 95842 Dynabrade Air Lube 10W/NR, 1 Pint
3M 68853, Vinyl Tape 471, White, 2 in x 36 yd, 5.2 mil, 7100044650
3M 01326, PSA Cloth Disc 348D, P240 X-weight, 3 in x NH, Die 300V, 7000045069 
