3M Floor Surfacing Rolls are recommended for general drum sanding. They are especially good for removing gummy finishes. This abrasive cuts fast.
3M 15287, Floor Surfacing Rolls, 100 Grit, 12 in x 50 yd, 7010308054
$244.95
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 33639 ND6400, Cover Screw
Dynabrade 79448 6" x 9" DynaBrite General Purpose Maroon Hand Pad, 20/box
3M 22393, Roloc Disc 361F, 36 YF-weight, TR, 3 in, Die R300V, 7000045093
Dynabrade 40335 Dynafile II Abrasive Belt Tool, for Non-Woven Nylon Belts
Dynabrade 63209 33" (84 cm) W x 60" (152 cm) L Downdraft Sanding Table, 460 V (AC) 
