Made of high-quality diamond, durable and ensure a good sharpening effectThe whetstone is small in size, easy to carry, and more effective for sharpening knivesCan be used to sharpen kitchen tools, scissors, knives, razors, etc.400/600grit double-sided whetstone is suitable for coarse or fine grindingThe foldable plastic case protects the inner whetstone well and is easy to carry, perfect for outdoor usedescribe:This double-sided whetstone is more convenient to use than regular single-sided whetstones. 400coarse grinding, 600fine grinding. Portable foldable design when camping or hiking.feature:It is made of high-grade diamond, which is durable and ensures a good sharpening effect. The whetstone is small in size, easy to carry, and more effective for sharpening knives. Can be used to sharpen kitchen tools, scissors, knives, razors, etc. The400/600grit double-sided whetstone is suitable for coarse or fine grinding. The inner whetstone is well protected by the folded plastic case, making it easy to carry and perfect for outdoor use.notes:1. Due to manual measurement, please allow 0-2cm error. Thanks for your understanding.2. The monitor is not calibrated the same, the color of the item shown in the photo may be slightly different from the actual item. Please refer to the actual product.