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.
3M 99420, Wetordry Sanding Sheets 99420NA, 9 in x 11 in, 400 grit, 7000126424, 25 sheets per pack
$18.00
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.

Dynabrade 91429 1/2" W x 12" L 80 Grit A/O DynaCut Belt, 50/pack
3M 62808, Metal Primer P592, Clear, 250 mL Bottle, 7000121492
3M 19769, Utility Cloth Sheet 314D, 9 in x 11 in P150 J-weight, 7000000357
3M 19770, Utility Cloth Sheet 314D, 9 in x 11 in P120 J-weight, 7000000358 
