3M Floor Surfacing Rolls are recommended for general drum sanding. They are especially good for removing gummy finishes. This abrasive cuts fast.
3M 02534, Floor Surfacing Sheets, 12 in x 18 in, Easy Change, 80 grit, 7010384974
This item has been Discontinued.
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 90924 3" Dia. x 40 Grit A/Z DynaCut Locking-Type (TR), Flap Disc, 10/pack
Dynabrade 91316 11-1/4" Dia. x 60 Grit A/O Non-Vacuum Hook-Face DynaCut Disc, 10/Box
Dynabrade 56180 5" Dia. Non-Vacuum Disc Pad, Hook-Face, Short Nap
Dynabrade 95756 Speed Control for Extreme Dynorbital Sanders
Dynabrade 54040 5/8"-11 Female, 5/16"-24 Female, 1-5/8" Length
Dynabrade 96572 1" Swivel Adapter 
