1.[Complete Whetstone Kit] - 400/1000 grit & 3000/8000 grit double sided whetstone, bamboo base, 2pcs silicone base, angle guide, leather strop and white flattening stone.2.[Double Sided Whetstone] - 400/1000 grit whetstone is used to sharpen dull knives, the 3000/8000 grit one provides extra fine finish/polish on your blades. It also comes with leather strop to polish knives and remove burr after sharpening.3.[Safe & Easy To Use] - Bamboo base holds the whetstone in place and prevent slipping during sharpening process. Angle guide allows you to maintain the correct sharpening angle all the time. A flattening stone is used to re-level the stones.4.[For Various Knives] - This sharpening stone kit can keep best performance of kitchen knives, allows you to quickly sharpen knives like a Pro. Suitable for any kitchen knives including chef knives, steak knives, pocket knives, butcher knives etc.5.[Best Option]This sharpening stone will give you twice the result with half the effort, which is the best choice, allowing you to do great things with little money!