3M Floor Surfacing Rolls are recommended for general drum sanding. They are especially good for removing gummy finishes. This abrasive cuts fast.
3M 02532, Floor Surfacing Sheets EC12x18-36, 12 in x 18 in, Easy Change, 36 grit, 7010340582
This item has been Discontinued.
Hook-it II Floor Surfacing Abrasive Sheets are coated on heavyweight paper. Easy-to-use on rectangular floor sheet sanding machines. Hookit II backing provides positive locking to driving pad.

3M 26129, PPS Series 2.0 Adapter, Type S34, 3/8 Female, 18 Thread NPS, 7100135938
Dynabrade 78601 3/8" Dia. x 2" W x 1/8" Center Hole, 180 Grit, 100/pack
3M 16023, PPS Cup & Collar, Large, 7000000642
Insize 4809, U.S. STAND SHEET METAL GAGE, 0-36(.3125~.0070"), 6928640330162
3M 29858, Sanding Screen, 80 grit, 12 in x 18 in, 7100161088 
