The 3M Paper Drywall Sheets are designed for sanding drywall joint compounds (light or regular), patching compounds, and plaster. They are made with aluminum oxide, a tough synthetic mineral that cuts cleanly and leaves a smooth finish. The grit is 150.
3M 53046, Drywall Sanding Sheet, 150 Grit, 4-3/16 in x 11-1/4 in, 7100016940
$0.32
Factory Stock, 7-10 Day Leadtime
3M Drywall Sheets are designed for sanding drywall joints, patching compounds and plaster. Made with sharp synthetic mineral for long-lasting performance. Pre-cut 4-3/16 in x 11-1/4 in and die-cut to fit most drywall sanding tools.

Standard Abrasives 713296, Aluminum Oxide Handy Roll, P320 J-weight, 2 in x 50 yd, 7100034517
3M 19773, Utility Cloth Sheet 314D, 9 in x 11 in P60 X-weight, 7000000360
Dynabrade 64350 26" W x 36" L (660 mm W x 914 mm L) Metal Capture Downdraft Station, 230 V (AC)
Dynabrade 95843 Dynabrade Air Lube 10W/NR, 1 Gallon
3M 20279, Disc Pad Holder 947TH, 7 in x 1 in x 5/8-11 Internal Black T Hook, 7000118602
Standard Abrasives 708751, PSA A/O Disc, 12 in x NH, 60, 7010370081
3M 19764, Utility Cloth Sheet 314D, 9 in x 11 in P320 J-weight, 7000000352 
