English: Features: 1. Made of high quality natural material, very comfortable and durable to use. 2. Excellent sharpening performance. 3. Super fine sharpening stone, perfect for fine grinding and polishing knives. 4. Small size, light weight, easy to carry, can be attached to any place, easy to use. 5. The sharpening stone is for knives, chef knives, scissors, chopper, cutting tool. Specifications: Material: Natural Whetstone Grit Type: 5000 Grit Size: Approx. 100 x 40 x 15mm/3.94 x 1.57 x 0.59in Weight: Approx. 175g Instructions: 1. Soak the stone in water for about 15 minutes before use, salt water is better. 2. Sharpen the knife in the order of first coarse and then fine. English: 3. When sharpening the knife, hold the knife handle with the right hand, the fingers of the left hand are lightly pressed on the edge of the knife, move clockwise. 4. The sharpening angle is better 10-20 degrees. 5. Do not remove the seriflux, which is helpful for sharper knives. Package Contents: 1 x Natural Whetstone Note: 1. This kind of grinding stone is made of natural materials, and it is inevitable that the corners will be slightly stained, but they have been polished and smooth, which will not affect the use. Please feel free to purchase. 2. Only the grinding stone, other items in the picture are not included. 3. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.