1. The whetstone is made of high-quality diamond materials, which is durable and can be used for many years. The high-strength blade body makes the whetstone more durable, thinner and lighter. 2. Multifunctional knife sharpener - This set of knife sharpeners includes 4 whetstones with different grits, which can meet your needs for sharpening kitchen knives, woodworking tools, ceramic knives, chisels, etc. All whetstones adopt a honeycomb design layout, with high sharpening efficiency. 3. Easy to use - The bottom of the knife sharpener is non - slip, which is convenient for operation and use. The size of the knife sharpener is 5.9×2.5 inches, with a wider blade surface, suitable for tools of various shapes. Do not put it in the dishwasher or soak it in water. 4. Sturdy and portable - Due to the increased hardness, the knife sharpener can be made into a thin and light blade body. Compared with other whetstones, these diamond whetstones are easy to carry and can be easily put into a bag. 5. Thin grinding and polishing diamond square knife whetstone, with grits of 400/600/800/1000/1200. 6. Color: Silver 7. Material: Diamond 8. Size: Approximately 151×63×1 mm 9. Package contents: - 5 diamond whetstones - Only the above package contents are included, and no other products are included. 10. Precautions: Light reflection and different displays may cause slight differences between the color of the item and the actual situation. The allowable error for size measurement is ±1 - 3 cm.