The Rada Quick Edge Knife Sharpener is an indispensable tool that will keep your kitchen knives at their best. Simply take the knife you want sharpened and pull the blade between the wheels four to six times, wiping off any metal shavings, and you're done! It can sharpen most old knives in your cooking, as well as pocket and camping knives. It makes a great gift, you know will get used to and appreciated. The secret to its success! High-Carbon stainless wheels ensure that blades reach their sharpest point with only slight effort. A nylon base ensures you can safely get a sharp knife the moment you need it.