Check the listing for details. Dual Grit Multi-Purpose Sharpener Knife Axe Sharpener & Hatchet Sharpening Stone. Color: Gray, Condition: New. Listed at 13.70 USD. Features: 1. Strictly selected materials, hand-made, uniform particle size, both thickness and thickness can be used. 2. The beveled edge design is convenient for repairing large-notched knives and grinding. 3. Good grinding and cutting effect and high efficiency. 4. Compact design, easy to carry. 5. Suitable for grinding all kinds of metal knives Material: green silicon carbide + black silicon carbide Grit size: 120#black silicon carbide + 180# green silicon carbide Size: 80mm*25mm Instructions: 120# Coarse grinding, mainly used to repair blade burrs, gaps, and curling edges. 180# fine grinding, mainly used to consolidate the sharpness of the blade. Precautions: 1. Please apply sharpening oil or water on the working surface before use to make sharpening more efficient. 2. Please take personal protection and wear working gloves when sharpening the knife. Package include :1x Sharpener