3M Floor Surfacing Rolls are recommended for general drum sanding. They are especially good for removing gummy finishes. This abrasive cuts fast.
3M 09310, Regalite Floor Surfacing Rolls, 8 in x 50 yd, 752I, 40 Grit, 7010384132
$243.25
Factory Stock, 7-10 Day Leadtime
3M Floor Sanding Rolls offer great productivity and value on bare wood or nongummy finishes. They cut faster, run cooler and last longer than conventional rolls. The rolls feature the familiar purple Regalite mineral and tough paper backing.

3M 36881, Self-Stick Liquid Protection Fabric, Blue, 48 in x 300 ft, 7100169351
3M 19773, Utility Cloth Sheet 314D, 9 in x 11 in P60 X-weight, 7000000360
3M 19771, Utility Cloth Sheet 314D, 9 in x 11 in P100 J-weight, 7000021272
3M 19766, Utility Cloth Sheet 314D, 9 in x 11 in P240 J-weight, 7000000354
Standard Abrasives 713297, Aluminum Oxide Handy Roll, P120 J-weight, 2 in x 50 yd, 7100031623
3M 26404, Cloth Belt 341D, 50 X-weight, 2-1/2 in x 60 in, Film-lok, Single-flex, 7010361743, 50 per case 
