3M Wetordry Sanding Sheets 99420NA, 9 in x 11 in, 400 grit, 25 sheets/pk

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. For final or between coats sanding. For Flat Areas, For Use By Hand Or With Sanding Block.