Feature: 1. DUAL SIDED DESIGN: One side is coarse grained for quick reparation of dull blades, while the other side is fine grained for polishing and maintaining razor incisive edges on knives. 2. PREMIUM ABRASIVE MATERIAL: Made with durable and wear resistant materials of high hardness, ensuring long lasting use without easily wearing out. 3. CONVENIENT PORTABILITY: Whetstone's compact and portable design allows for easy transportation, making it perfect for outdoor or workplace use. 4. VERSATILE APPLICATION: Sharpening stone is suitable for different types of knives, such as kitchen knives, hunting knives, fishing knives, and more. 5. RESTORES SHARPNESS QUICKLY: By using this sharpening stone, you can quickly restoring the sharpness of your tools, enhancing work efficiency. Specification: Item Type: Sharpening Stone Material: Boron Carbide Specification: 800 grit Size: Approx. 10 x 2 x 1cm / 3.9 x 0.8 x 0.4in Weight: Approx. 47 g / 1.7 oz. Package List: 1 x Sharpening Stone