10-Pack of 9 x 11 3M 99420 Wetordry Sanding Sheet Pro-Pak, 400-Grit, 25-Pack

For wet or dry sanding between coats of varnish, lacquer, paint and other finishes A sharp synthetic mineral that cuts fast and smooth Use with water or cutting oil to reduce clogging and extend abrasive life For efficient cutting and high wear resistance Waterproof resin bond resists heat, holds abrasive firmly