Introducing the ninja Foodi Neverdull system knife sharpener that keeps your ninja knives razor-sharp for over 10 years. With a few swipes of the foolproof sharpener, this convenient, easy to use system maintains the superior sharp edge you crave use-after-use. Neverdull sharpener: Neverdull technology provides professional sharpening results to maintain a razor-sharp edge for over 10 years! Easy home sharpening: easy, foolproof sharpening ensures you’ll never experience the frustration of a dull knife again. All you do is swipe the slider on the outside of the sharpener. Foolproof stone sharpening wheel: as you move the slider, the dynamic stone sharpening wheel engages your ninja knife at the perfect angle and applies the optimal amount of pressure to restore your edge to superior sharpness in seconds. Convenient storage: modern, stylish sharpener fits conveniently in your drawer or on your countertop for easy access and storage. Works exclusively with ninja knives: the ninja Foodi Neverdull sharpener is engineered to work exclusively with ninja foodi knives for safe and easy sharpening. Use & care: hand wash is recommended. What's included: includes sharpener with Neverdull technology. Included: 1 Knife Sharpener(s) Features: Built-In Sharpener Measurements: 13.63 Height/Inches, 4.5 Length/Inches, 2.2 Width/Inches Base Material: 100% Stainless Steel Care: Hand Wash Material: Stainless Steel Intended Location: Countertop Country of Origin: Imported