3M 99439 Pro-Pak Drywall Sanding Screen, 11" x 4-3/16" 100 Grit, 10-Pack GiftsForSeason For use with single strength

For use with single strength glass or acrylic sheet

Working Pressure @ 70 degrees Fahrenheit: 45 PSI

The second button provides you with a fixed red LED light that helps preserve night vision

Reaches up to 56" inches tall

3M 99439 Pro-Pak Drywall Sanding Screen, 11" x 4-3/16" 100 Grit, 10-Pack GiftsForSeason For use with single strengthDiecut to fit most drywall sanding tools. Designed for sanding drywall joints, patching compounds, and plaster to a fine finish. Also used on wood, metal, plastic, and painted surfaces. Sharp silicon carbide abrasive lasts long, cuts fast. Open mesh cloth backing reduces loading and allows use of both sides. Rinse to reuse. Packaging strong enough to use as storage container for unused sheets. 10 pack Diecut to fit most drywall sanding tools Ffor