Features & details Features Package include: 36 pieces high grit sandpaper assortment in grit 3000, 5000, 7000 and 10000, 9 pieces for each grit Appropriate size: 9 x 3.6 inches sandpaper, both manual polishing and place on sanding block are easily; you can also cut these sandpaper to any size and shape on your demand Wet and dry: these sandpaper are made of silicon carbide material, super fine and evenly grit on the surface by nano-planting techniques, can be used with water, varnish, shellac, lacquer or oil High quality: the back of sandpaper with electroplate process, ensure soft handfeel, good fitting and sanding smoothly with moderate efforts, the sandpaper won't fall apart, break or crack while using Wide applications: the 3000, 5000, 7000 and 10000 grit sandpaper are perfect for fine grinding, polishing metal, glass, plastic, stone, jade, leather, lacquer and wood