Chefs Favorite Best Knife Sharpener: Our professional 4-in-1 sharpener is widely preferred by chefs because it can sharpen all types of blades, including scissors. The best knife sharpener follows an expert process .Restores tungsten carbide. Diamond rods straighten and smooth. Ceramic rods for polishing and maintaining. There are no guesswork here, just sharp knives for effortless chopping, slicing, chopping and dicing. Multiple slots, with different uses - This kitchen knife sharpener has a coarse slot which is a diamond sharpening rod to repair and smooth damaged blades. Slot Medium is a tungsten steel blade that sharpens forrestore the V-shape of the knife. Slot Fine is a ceramic blade for polishing and removing burrs on the metal blade. The bottom scissor slot allows for scissor grinding. Professional Quality with Ergonomic Design - Our blade sharpening tool has an ergonomic handle and non-slip design. Simply place the dull blade on the sharpening groove and then easily pull it 5-8 times untilyour knife is sharp enough. Made with premium materials and strong ABS plastic, you can be sure our serrated knife sharpener is of the highest quality Perfect chef's knife for universal use: perfect for sharpening stainless steel straight knives, ideal for survival knives, hunting knives, multi-function knives, steak knives, fillet knives, knivesof pocket. This portable knife sharpener is built to be strong and durable for years of reliable use and is safe for both right and left handers. This kitchen knife sharpener is super simple and easy to use,even for beginners.