4 Stage Manual Knife Sharpener,With Anti Slip Base, Safe and Easy to Use,Suitable for Asian knives and European knives,Black * Easy to use: The sharpener is easy to use and easy to handle. Simply place the blunt blade on the sharpening slot and pull it 4-5 times to enjoy the razor-like sharpness in seconds. * Ergonomically designed handle: The tool sharpener is easy to hold the handle. Comfortable handle for maximum grip for right and left handed users. To get the best results from this product, pull the tool in one direction instead of pulling it backwards/forward. * Non-slip base: Non-slip rubber base provides excellent grip and increased safety. Simply sharpen it by placing it on a flat surface. * 4-stage design sharpening 30/20 sharpening angle - The sharpener has 4 slots for sharpening: 2 hard carbide steel blades for coarse grinding stage and 2 fine ceramic rods, according to Different knives, using a carbide tool with a hardness of 30 or 20 degrees, make your standard kitchen knives sharper. *Applicable to all kinds of knives: suitable for chef knife, sushi knife, three knives, throwing knife, steak knife, knife, steel knife, outdoor knife, diamond knife, tungsten knife, tactical knife and kitchen knife set, not for serrated knife, scissors .