Redi-Edge® Knife Sharpeners have been manufactured in the United States since 1994. These sharpeners have met the discriminating requirements of cutlery enthusiasts around the world.The Redi-Edge® Knife Sharpener is the only knife sharpener you will ever need. You get the same sharp edge every time you use it. The Redi-Edge® Knife Sharpener is so durable that it comes with a Limited Lifetime Warranty. We make the sharpener that meets your specific requirements.