3M Products 1500a Grit Wet Dry

3m Products 1500a Grit, Wet Dry . Sharp, synthetic silicon carbide cuts fast and smooth for wet or dry sanding between coats of varnish, paint or other finishes, sanding metal for repainting or prior primer coat, and wet finishing of plasticfiberglass and top coats. Use with water to red uce clogging and extend abrasive life. Packaging strong enough to use as storage container for unused sheets.