Details Smooth Edge: The rounded and smooth edges not only add to the aesthetics of the product but also improve the safety of use. Base: It provides stable support for this product, making it less likely to slide during sharpening. Application It is suitable for grinding Chinese knives, European knives, Japanese knives, chisel knives, and pocket knives. How to Use 1. Soak the sharpening stone in water for 15 minutes, preferably with some salt water. 2. Grind the knife in the order of rough grinding first and then fine grinding. 3. A sharpening angle of 10-20% slope is appropriate. 4. Repeated friction. 5. After use, please wipe it clean and place it in a cool place to dry. How to Use Accessories 1. Clamp it on the back of the knife and control the sharpening angle. 2. Grind back and forth on the surface to correct any unevenness. 3. Rotate the nut on the side to adjust the spacing and clamp the tool on both sides. 4. Grind the textured surface back and forth to correct any unevenness. 5. Secure the button, grab the end with your left hand, and grind with a knife in your right hand. 6. Wear anti-cutting gloves(not included), sharpening the knife is not afraid of hurting your hands. Specification Color: Green, Brown, Wood Color, White, Black Style: Modern Material: White Corundum, Bamboo, Silicone, PP, Leather, Fiber Assembly Required: Yes Knife Sharpening Stone Size: 18*6*3cm/7.09*2.36*1.18in Black Silicone Pad Size: 17.5*6.5*0.8cm/6.89*2.56*0.31in Bamboo Base Size: 21*9*2.3cm/8.27*3.54*0.91in Sharpening Aid Size: 10*2.2*1.8cm/3.94*0.87*0.71in Correct Stone Size: 6*3*2.5cm/2.36*1.18*0.98in Swing Knife Cloth Size: 45*5.5cm/17.71*2.17in Knife Sharpening Stone Mesh: 400/1000 Mesh, 3000/8000 Mesh Package Size: 22.5*10.5*10.5cm/8.86*4.13*4.13in Gross Weight: 1.87kg/4.12lbs Net Weight: 1.6kg/3.53lbs Package Included 2* Knife Sharpening Stones 2* Black Silicone Pads 1* Correct Stone 1* Bamboo Base 1* Swing Knife Cloth 1* Sharpening Aid