3M Wetordry 99420NA Sandpaper 11 in L 9 in W Fine 400 Grit Silicon Carbide Abrasive Paper Backing

The 3M™ Wetordry™ Tri-M-ite™ sheet, 413Q, is a silicon carbide, closed coat product bonded with a waterproof resin. It can be used wet or dry for sanding old finishes, fine featheredging, surface work or last final sanding step before priming.