2 in 1: The professional whetstone has 2 sharpening surfaces, 1000 grains coarse grains are generally used for knives and repairing small gaps, 6000 grains are used for ultra-fine processing and polishing blades. A for your knives: this whetstone is made of high-quality white corundum - the best material for sharpening knives. 't hurt , let the knife regain new life. Better Knife Sharpening: The whetstone is made of bamboo wood base and non- silicone pad, which has a better sharpening angle, ensures the stability of the operation, and helps you sharpen your knife better. Not limited to the kitchen: The sharpening stone can be used for all kinds of knives, not only 's knife, kitchen scissors, also can be used to sharpen folding knives, outdoor axes, chisels and many other tools. PREMIUM SET: A complete whetstone set for all your sharpening needs. Color: As Shown Material: Yugang Package Contents: 1 x tray 1 x sharpening stone 1 x positioner 1 x black mat Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.