High quality: The grinding position is made of tungsten steel, emery, high-hardness ceramics and other materials, which can be used for more than 3 years Multi-function: With the 4-stage knife sharpener, you can sharpen blunt knives easily and professionally. Three step sharpening process (coarse, medium, fine). Keeps your kitchen knives brilliantly sharp. Ergonomically design: Non-slip rubber base and ergonomic handle can be held on either the right or left-hand side. We even have a protection gloves for extra security!The bottom of the knife sharpener has non-slip rubber bases that prevent slipping during use. Easy to use: Small and practical, easy to use. Simply place the blade in the sharpening notch and gently pull the knife through a few times, after a few seconds restore your blunt knives (Push down the knives with a certain strength, pull from its base to the tip, don't push back and forth). International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.