Feature:1. Long Lasting Sharpness: This sharpening stone is very convenient and practical, just use it once for long lasting sharpness, the perfect sharpener.2. Complete Sharpening Kit: This whetstone knife sharpener set includes a complete whetstone kit for all your sharpening needs.3. Easy to Clean: Grinding only requires water, easy to clean, guarantee food safe and delicious, and can be used with confidence.4. Simple Operation: The beginner can easily set the knife at the correct sharpening angle, easy to use, making everything very easy.5. Wide Applicability: This whetstone sharpening set is suitable for household kitchen knife sets, professional chef's knives, scissors, chisels and axes or other tools that require sharpening.Specification:Item Type: WhetstoneMaterial: White CorundumGross Weight: 269g / 9.5ozSpecifications: 120Grit, 320Grit, 600Grit, 1500GritSet: 4 piecesProduct Size: Approx.15 x 2.5cm / 5.9 x 1.0in.Package List:4 xWhetstone