3M Floor Surfacing Rolls are recommended for general drum sanding. They are especially good for removing gummy finishes. This abrasive cuts fast.
3M 07938, Floor Surfacing Rolls, 8 in x 50 yd, 40 Grit, 7010401394
$252.38
Factory Stock, 7-10 Day Leadtime
3M Resinite Floor Surfacing Rolls are for drum sanding machines on commercial and residential jobs. Use for general sanding. Durable mineral on paper or combination backing. Fast cuts, better finish, longer life, time savings.

3M 99436, Drywall Sanding Screens, 4-3/16 in x 11-1/4 in, 220 grit, 7000047623, 10 sheets per pack
3M 09093, Drywall Sanding Sponge 9093DC, Dual Grit Block, 3-3/4 in x 2-5/8 in x 1 in, Fine/Medium, 7100180421
ACS Diamond Cloth Belt, CX1250 1" X 42" 125U
3M 84584, Cloth Belt 777F, 50 YF-weight, 3 in x 264 in, Film-lok, Single-flex, 7010309169, 5 per case 
