Feature:1. Excellent Sharpening: Our whetstone is made of natural white jade, iron free, non disposable, has the excellent characteristics of self sharpening, which makes your knife a refresh look.2. Easy to Use: This sharpening stone can be used with water, sprinkle water on the surface to start grinding your knife, no need to soak in the water.3. Multi Purpose: Professional sharpener stone can be used for any blades, such as chef's knife, sharpened fillet knife, sushi knife, pruning scissors, scissors, axe, hunting knife, etc.4. Safe Use: Equipped with a rubber base, which could fix the sharpening stone firmly to ensure safe operation.5. Ideal Tool: The best choice for professional chefs and home kitchens, saving you the cost of changing new knives, practical and useful.Specification:Item Type: Sharpening StoneMaterial: Natural White Jade, RubberSpecification: 8000 GritSize (Excluding Base): Approx. 200x50x12mm/7.9x2x0.5in.Package List:1 xSharpening Stone1 x Rubber Base