Outdoor Kitchen Double-Sided Sharpening Stone Set 1. Whetstone material: white corundum whetstone 2. Double-sided leather sharpening belt for sharpening and deburring knives 3. The higher the grit of the whetstone, the finer the sandstone particles, making it suitable for fine grinding. 4. With excellent cutting performance, this whetstone is suitable for a wide range of knives. 5. Bamboo base: A non-slip support ensures safe sharpening. 6. Angle guide: helps maintain an accurate grinding angle. 7. Packaging: large black sheet + 4001000 + 30008000 + bamboo base + shaving cloth + knife holder + correction stone Instructions: 1. Soak the stone in water for 15-20 minutes, until all bubbles disappear. 2. Insert the stone into the rubber base and secure it to the bamboo base. 3. Sand the stone using 400-grade sandpaper, applying even pressure and maintaining a constant angle of 15-25 degrees (an angle indicator is included if needed). 4. Avoid scratching the slurry during sharpening. Lubricate the stone with water to keep it moist. 5. Repeat steps 4 and 5 on the 1000-grade surface until the knife reaches the desired sharpness. 6. Clean the stone and blade after finishing and allow them to air dry completely.