4-step manual sharpening: three-step sharpening process (coarse, medium and fine), depending on the degree of wear, you can make each knife very sharp. The first slot is for scissors. Grooves 2, 3, 4 are then used for coarse grinding, fine grinding and polishing. It's a good edge for dulling every blade until it's razor sharp. Kitchen Knife Sharpener: The materials used for the manual sharpener are: tungsten carbon steel, ceramic stone, diamond handle. The body of the brilliant sharpener is made of lightweight and durable ABS plastic. The handle is comfortable and wide, so it's easy to stay stable and in place without difficulty. Easy to use: just pull the knife out of the appropriate notch several times, and after a few seconds, even a dull old knife will behave like a new one (please don't sharpen it back and forth). The handle adopts an ergonomic shape with a smooth black/chrome finish for maximum grip and is suitable for both left and right-handed users. Non-slip base: The non-slip rubber base provides ultimate stability and safety, preventing slip scissors. Sharpen most ceramic steel knives quickly and easily for use on any flat kitchen surface, including wood, stone or glass countertops. Multifunctional: the sharpener professional is efficient and durable, suitable for straight-edged steel kitchen knives, scissors and large serrated knives (bread knives). Includes knives with hardened steel blades. It can be used at home, outdoors and even camping on the road. Product Description: Material: Tungsten Steel + Ceramic + Stainless Steel + Grain emery+ABS Size: 23*5.7*7.5CMContains 1 * knife sharpener (excluding scissors, etc.) Note: Due to manual measurement, please allow 0-3cm difference. Thank you for understanding. The monitor calibration method is different. The color of the product shown in the photo may be slightly different from the actual product. Please refer to our size before ordering. Delivery Quantity: 1 piece