3M Floor Surfacing Rolls are recommended for general drum sanding. They are especially good for removing gummy finishes. This abrasive cuts fast.
3M 02530, Floor Surfacing Sheets, 12 in x 18 in, Easy Change, 100 grit, 7010384973
$3.95
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 77559, Cubitron II Hookit Cloth Disc 784F, 77559, 36+ to 120+, 5 in x NH, Die 500X, 7100232738
Dynabrade 95843 Dynabrade Air Lube 10W/NR, 1 Gallon
3M 27551, EMI Copper Foil Shielding Tape 1181, 1/2 in x 18 yd (12.70 mm x 16.5m), 7000132182 
