3M Wetordry Sanding Sheets 99421NA, 9 in x 11 in, 320 grit, 25 sheets/pk, 10 pks/cs

• 10 Sheets per pack
• 320A grit
• For flat areas, for use by hand or with sanding block
• For use by hand or with sanding block
• Offered in two weights of waterproof paper to suit your specific sanding needs: flexible "A" weight backing for contour sanding and durable "C" weight backing for improved stock removal and leveling general surfaces
• Silicon carbide abrasive, a sharp synthetic mineral that cuts fast and smooth
• Use with water or cutting oil to reduce clogging and extend abrasive life

3M Wetordry allows you to sand between coats of varnish and paint or other finishes. Can be used with water to reduce clogging and extend abrasive life. Ideal for sanding metal for repainting or prior to primer coat. 3M Pro pak Wet or Dry abrasives are specially designed for wet or dry sanding. Use 3M Imperial Wetordry Sandpaper for a premiere finish on lacquers, primers, sealers, plastics and paints. For final or between coats sanding.