The Presto 08810 Professional Electric Knife Sharpener is a 3-stage sharpening system that is easy to use and gives you professional results at home. This sharpener can sharpen kitchen and sport knives, as well as Santoku knives. With the blade thickness selector, you can adjust the guides to the optimum sharpening angle for your needs. Whether you need to sharpen hunting knives, chef's knives, or standard kitchen knives, the Presto 08810 Professional Electric Knife Sharpener can do the job quickly and easily.