A new generation of kitchen knife sharpeners With our incredible 3-slot system. The 1st diamond sharpening rod repairs and straightens damaged blades before the 2nd slot sharpens to restore its V-shape. Finally, the 3rd slot fine tunes for a clean polish. This kitchen knife sharpening tool is made of high quality and healthy tungsten steel material, which is durable and does not rust. It will not damage your expensive knives, and will not have any burrs after grinding. It can be applied to various types of kitchen knives, this is a professional knife sharpeners. The Kitchen Knife Sharpener is suitable for chef knives, pocket knives, steel knives, straight knives, fruit knives, etc. Ergonomic design, no matter whether you are left or right handed, it can be used easily, completely effortless. you can restore your cooking knives in a matter of seconds! Simply place the blade in each of the slots and gently pull the knife through a few times for fast, effective sharpening. Use chef-level unique sharpening blade, which is the knife sharpeners chosen by many chefs. And it also uses environmentally friendly and healthy materials to protect the safety of you and your family, making your food safer, and you can use it with confidence.