[Sandpaper Variety Pack]The sandpaper total includes 20 pieces sandpaper, 5 pieces of each grit: 4000/5000/7000/10000. 4 grits wet dry sandpaper which is good for grinding, polishing, which almost satisfy all your general polishing requirements. [Wet and Dry Using Sanding]Made of premium silicon carbide and waterproof paper using advanced production technology. Ideal for both wet and dry sanding. Wet sanding can minimize scratches, prevent the sandpaper from clogging with dust, remove loose abrasive particles and reduce airborne dust. [High Quality Sandpaper] Sanding discs made of high quality silicon carbide and waterproof sandpaper. The sandpapers can be used for both wet and dry sanding. ;Electro-coating ensures uniform grain distribution. Prevents clogging, anti-static, good flexibility, wear-resistant, which provides exceptional service life and superior finishes. [Widely Applications] Sandpaper for wood, stone, lacquered surface, mirror surface treatment such as headlight