They can easily convert traditional dial blades into sharper ones. For a great kitchen knife, they need to be sharpened. Even the most durable knives need to be sharpened from time to time. A great electric knife sharpener will sharpen different types of blades which makes cutting and chopping through meat and vegetables so easy. Here are three elements of the best Japanese knife sharpeners to help you narrow down your options: Ease of Use. From affordable knife sharpeners to professional-grade options to easy-to-use machines, these are the best electric knife sharpeners, according to thousands of customer reviews. Features of the Best Japanese Knife Sharpeners. Buyer’s Guide For Electric Knife Sharpeners. And if you use one meant for the other you can damage your blade, sometimes beyond repair. Chef choice recommended electric knife sharpeners like the Chef’sChoice 15 Trizor XV EdgeSelect Professional Electric Knife Sharpener or the Chef’sChoice 0220100 knife sharpener are a great deal. We tested the best knife sharpeners to find the manual and electric options that gave us the cutting edge when tackling hard squash and squishy tomatoes. UPDATED: May 7, 2020. Sharpening dull knives at home using manually operated knife sharpeners can be tiring for your arms. Regular knife sharpening keeps the blades of your knives in tip-top condition, which not only ensures that they slice like they are supposed to but also improves your safety.. For this post, I have put together a collection of the best electric knife sharpener currently available. There various knife sharpeners out on the market, including sharpening stones, rods, and even electric sharpeners. Using a Japanese knife sharpener shouldn’t be rocket science. Electric sharpeners are made mainly to handle smooth-edged knives, and only a few can whet a serrated knife. Whether you pick a manual sharpener or an electric one, certain characteristics make a product better than others. To ensure you choose the right knife sharpening machine for you, we’ve put together this easy to follow guide on all the points you may want to consider. Finding the answer to this question will help you choose a suitable solution for your knives. The Telegraph has selected the best electric and stone knife sharpeners to cut through all foods.