[Wet & Dry Sanding]The waterproof in sanding paper is made of silicon carbide and electro coated; Suitable for both wet and dry use, the larger the grit number is, the finer it is. Wet sanding can minimize scratches, prevent sandpaper from clogging with dust, removes loose abrasive particles and reduces airborne dust.[Premium Quality]The sanding discs have one of the most advanced sanding technology on the market coated in premium ceramic grit for fast material removal. Strong hook & loop attachment prevents pad shifting and spinning, yet allows for easy removal of sanding discs.[Must Have Accessories]Hook and loop soft sponge interface buffer pad adds support to disc pad for improved abrasive cut and closer edge sanding. Suitable for uneven surface polishing such as wooden bowls, car surface and boat paint. Protect against damage to the backing pad. The hand sanding block is very handy and will make your sanding job easier.[Widely Application]perfect for grinding and polishing on metal and non-metal, wood, rubber, leather, plastic, stone, glass and other materials. The 1/4inch shrank holder suit for most kinds of rotary tools, such as die grinders, air grinders, electric drills, etc.10 different grits from coarse to fine:Extra Coarse: 80Coarse: 100, 150Medium: 240, 400Fine: 800, 1200Very Fine: 2500Super Fine: 5000Ultra Fine: 7000Application: perfect for grinding and polishing on metal and non-metal, wood, rubber, leather, plastic, stone, glass and other materials. Wood Furniture finishing, drywall sanding, automotive metal polishing, car headlight restoration, almost all the polish work can be finished with them. Just choosing the right sandpaper grit for your project.Colour: yellowMaterial: sandpaperSize: 3-inchPackage Contents:100 * Sandpaper(80/100/150/240/400/800/1200/2500/5000/7000, each grain size 10 Piece)1 * Hand grinding tray1 * Split tray1 * Sponge cushionOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.