It is suitable as a gift for knife collectors and is also a good choice for family kitchens. [3-IN-1] This knife sharpening kit features three grit levels: 400# diamond sharpener for repairing damaged edges or restoring basic sharpness, 1000# diamond sharpening stone for regular maintenance and honing to achieve fine cutting performance, and 2000# ceramic sharpening surface for fine polishing of blades. Equipped with a wide non-slip base to enhance safety and usability. [Widely Applicable] The professional three-sided diamond sharpener is made from high-quality materials, suitable for knives and tools made of hard steel, offering strong grinding power and fast sharpening results. [Easy to Use and Clean] Diamond knife sharpeners for kitchen knives require only water or honing oil and are easy to clean. Includes angle guides at 14, 17, and 20 to help beginners maintain the correct sharpening angle. [Durable] The diamond coating ensures long-lasting durability, corrosion resistance, and high hardness. The design promotes full and even contact between the blade and the sharpening surface, extending the product's lifespan. Specifications: 400/1000/2000 grit Material: Whetstone + tungsten steel + ceramic Color: Black Package Contents: 1 set x Diamond Sharpening Stone Note: Other items not included. Note: Slight color variations may occur due to lighting and display differences. Measurement error allowed within +/- 1-3 cm.