72 pieces wet and dry sandpaper set in grit 400 600 800 1000 1200 1500 2000 2500 3000 High quality Our sandpaper sheets are made of electro-coated silicon carbide. They have maximum resistance to clogging and strain, and can increase your productivity and reduce material consumption. Can be used wet and dry The sandpaper sheets are suitable for dry and wet use and will not fall apart, crack or crumble. You will receive when wet or Dry sanding a long-lasting sharp cut with an even scratch pattern. Flexible size The size of the sandpaper is 9 x 3.6 inch , can be cut into different sizes to fit in the hand, or can be wrapped on a sanding block that is a good size for small projects or a sanding block. Package includes: 8pcs each of grit sandpaper: 400 / 600 / 800 / 1000 / 1200 / 1500 / 2000 / 2500 / 3000 Total 72 pieces sandpaper in the package Tips for use: Grit 400 to 800 for finishing before painting. Grit 1000 to 1200 for light sanding between layers of paint and for sanding metal and other hard surfaces. Grit 1200 to 1500 for sanding between coats. Grit 2000 to 3000 is used for buffing.