3M Floor Surfacing Rolls are recommended for general drum sanding. They are especially good for removing gummy finishes. This abrasive cuts fast.
3M 09318, Regalite Floor Surfacing Rolls, 12 in x 50 yd, 752I, 50 Grit, 7010339987
$320.31
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.

Dynabrade 79147 1/2" W x 24" L 40 Grit Ceramic DynaCut Belt, 50/pack
Dynabrade 09709 Sleeve, for 49430, 3,200 RPM
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Dynabrade 50829 - 8" (203 mm) Dia. Foam-Backed Sanding Pad, Rubber-Face
Dynabrade 90701 3" Dia. x 2" W, 36 Grit, Z/A DynaCut Band, 10/pack
Dynabrade 94874 5' Max Flow Air Hose Assembly Male/ Male Fittings, 5/16" I.D.
Dynabrade 91741 DynaMesh 8" 220 Grit Hook & Loop Discs, 50 per box
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Dynabrade 48201 .4 hp Straight-Line Die Grinder, Rear Exhaust, 25,000 RPM, 1/4" Collet 
