Features: brand new and high quality Made of high-quality sandpaper materials, practical and durable. Grit 180 to 2000, the smaller the mesh number, the rougher it is, and the faster the grinding efficiency; the bigger the mesh number, the finers, and the slower the grinding efficiency. Used for polishing various surfaces such as stone, jade, agate, glass, mold, electronics, glass, equipment, jewelry, metal and non-metal. This product can be dry and wet ground. It's better to use wet grinding! The powder that is dropped during this polishing will not block the sandpaper and make the product more durable. Suitable for pneumatic, electric rotary grinders and electric grinders. It is great for abrasive tools and metal surface polishing. Specifications: Material: Sandpaper 2000# Size: approx 54x11x27mm/2.43x0.43x1.06 inches 1500# Size: approx 54x10x28mm/2.43x3.94x1.10 inches 1200# Size: approx 53x11x28mm/2.09x0.43x1.10 inches 1000# Size: approx 53x11x28mm/2.09x0.43x1.10 inches 800# Size: approx 51x10x29mm/2.01x3.94x1.14 inches 600# Size: approx 51x10x29mm/2.01x3.94x1.14 inches 400# Size: approx 52x12x29mm/2.05x0.47x1.14 inches 320# Size: approx 52x12x29mm/2.05x0.47x1.14 inches 240# Size: approx 50x11x29mm/1.97x0.43x1.14 inches 190# Size: approx 51x12x29mm/2.01x0.47x1.14 inches Grit: 2000/1500/1200/1000/800/600/400/320/240/180 Package Includes: 1x Sand Paper Bar note: Please allow 1-2cm errors due to manual measurement. Due to the difference betweeen different monitors,the pic may not reflect the actual color of the item.