A. The whetstone is made of 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. B. Multifunctional knife sharpener - This set of knife sharpeners includes 4 whetstones with different grits, which can meet various needs for sharpening kitchen knives, woodworking tools, ceramic knives, chisels, etc. All whetstones adopt a honeycomb design layout, with relatively high sharpening efficiency. C. 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 relatively wide blade surface, suitable for tools of various shapes. It is not recommended to put it in the dishwasher or soak it in water. D. Sturdy and portable - Due to the increased hardness, the knife sharpener can be made into a thin and light blade body. Compared with some other whetstones, these diamond whetstones are relatively easy to carry and can be easily put into a bag. E. Thin grinding and polishing diamond square knife whetstone, with grits of 400/600/800/1000/1200. F. Color: Silver G. Material: Diamond H. Size: Approximately 151×63×1 mm I. Package contents: - 5 diamond whetstones - Only the above package contents are included, and no other products are included. J. 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.