Description:Sandpaper sheets are used to remove unwanted material from surfaces and make them smoother. Sandpaper sheets come in various grit sizes for different applications and surfaces ranging from fine to coarse. Uses: The most common uses apart from finishing are to remove the rust layer, to reduce one layer of the surface, and to remove paint.  Sandpaper sheets are used to remove unwanted material from surfaces and make them smoother. It has extensive use in metalworking shops, manufacturing plants, and woodworking projects. Sandpaper sheets come in various grit sizes for different applications and surfaces ranging from fine to coarse. The most common uses apart from finishing are to remove the rust layer, to reduce one layer of the surface, and to remove paint.Using tips120 to 220 grit: for rough sanding and removing scratches.320 to 400 grit: for light sanding between coats of finish, or to sand metal and other hard surfaces.400 to 800 grit: for final finishing before painting.1000 to 1500 grit: for sanding between coats.2000 grit: for buffing.