for meatal ,wood, stone, automot Assorted-Grit large sand papers

Sandpaper sheet is made of silicon carbide for good sanding effect and long service life; It is electro coated so that it will not fall apart, tear or crumble off during use; Resin bonded sandpaper ensures paper backing flexible, which makes a good fit to your hand or machine.
Waterproof sandpaper sheets can be used with water, varnish, shellac, lacquer, or oil, suitable for both wet and dry sanding.