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
$238.09
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.

Insize 6143, DEPTH STOP FOR CALIPERS, 6928640371301
Dynabrade 51731 .1 hp Straight-Line Pencil Grinder, 60,000 RPM, 1/8" Collet
Dynabrade 18426 Vane Set (4pk)
Dynabrade 13509 Dynastraight Finishing Tool, Rear Exhaust, 6,000 RPM, 5/8" (16 mm) or 1" (25 mm) Dia. Arbor
3M 66617, Cloth Belt 341D, 50 X-weight, 3 in x 24 in, Fabri-lok, Single-flex, 7000118857, 25 per case
3M 77408, Cloth Belt 777F, 50 YF-weight, 1/2 in x 24 in, Fabri-lok, Single-flex, 7000118438, 200 per case 
