3M Floor Surfacing Rolls are recommended for general drum sanding. They are especially good for removing gummy finishes. This abrasive cuts fast.
3M 07934, Floor Surfacing Rolls, 8 in x 50 yd, 24 Grit, 7010320729
$321.59
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.

Dynabrade 95745 1/4" NPT Speed Regulator
Standard Abrasives 710870, Cartridge Roll Mandrel, 1/8 in x 1/2 in x 1/4 in x 1-1/4 in x 2-1/4 in CM-7, 7000121794
Dynabrade 98265 3/8" Female Coupler with 3/8" Male Plug Assembly
ACS CX1250 Diamond Belt, 1/2" X 24" 60u 
