- For sanding between coats of varnish, lacquer, paint and other finishes.
- Silicon carbide abrasive, a sharp synthetic mineral that cuts fast and smooth
- Waterproof paper
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.