3M 99421 Pro-Pak 320A-Grit Wet/Dry Sandpaper, 9"x11"
- Sharp, synthetic silicon carbide cuts fast and smooth for wet or dry sanding between coats of varnish.
- Paint or other finishes, sanding metal for repainting or prior primer coat, and wet finishing of plastic/fiberglass and top coats.
- Use with water to reduce clogging and extend abrasive life.
- Packaging strong enough to use as storage container for unused sheets.
- Between coats & for metal.
- Size: 9" x 11"
- Storage Pack.
- Grit: 320A.