3M Floor Surfacing Rolls are recommended for general drum sanding. They are especially good for removing gummy finishes. This abrasive cuts fast.
3M 02532, Floor Surfacing Sheets EC12x18-36, 12 in x 18 in, Easy Change, 36 grit, 7010340582
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.

3M 66626, Cloth Belt 341D, 50 X-weight, 4 in x 36 in, Fabri-lok, Single-flex, 7010308385, 25 per case
3M 66630, Cloth Belt 341D, 50 X-weight, 6 in x 48 in, Film-lok, Single-flex, 7000118864, 20 per case
3M 29859, Sanding Screen, 100 grit, 12 in x 18 in, 7100160861 
