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
$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 22408, Roloc Disc 361F, P100 YF-weight, TR, 1-1/2 in, Die R150S, 7000045101
Standard Abrasives 717078, Cartridge Roll Mandrel, 3/32 in x 3/4 in x 1/4 in x 1 in x 2-3/4 in CM-2E, 7000121813
3M 05744, Hookit Hand File Board, 2-3/4 in x 16 in, 7000045717
3M 67700, Cloth Belt 577F, 120 YF-weight, 3-1/2 in x 15-1/2 in, Fabri-lok, Single-flex, 7000119448, 50 per case
Dynabrade 51301 .5 hp Straight-Line Die Grinder
3M 87449 Silver Depressed Center Grinding Wheel, T27 Quick Change, 9 in x 1/4 in x 5/8-11 Center Hub Thread, 7010409732, 20 per case
3M 29835, Sanding Screen, 80 Grit, 18 in x NH, 7100160844 
