3M Pro Pak Drywall, Plaster Sanding Sheets are designed for sanding drywall joint compounds (light or regular), patching compounds, and plaster. It is made with aluminum oxide, a tough synthetic mineral that cuts cleanly and leaves a smooth finish.
3M 99433, Drywall Sanding Sheets 99433NA, 4-3/16 in x 11-1/4 in, 80 grit, 7100097101, 25 sheets per pack
$8.68
Factory Stock, 7-10 Day Leadtime, Priced Per Pack
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.

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Insize 6301, MICROMETER STAND, 6928640307300 
