AnySharp Pro Knife Sharpener rejuvenates knives safely and hands-free. A few light strokes, and in seconds, the knife is sharp as new. The patented Power Grip suction cup base keeps the sharpener in place and the advanced diamond-honed Tungsten Carbide blades easily sharpen almost any knife. Professional-grade knife sharpening that helps make cooking easy and safe!Features:Professional-grade resultsRestores virtually any knife (straight, serrated, hardened steel blades)Keeps hands safeEasy to use, sharpens in secondsPatented Power Grip suction cup base, enabling single-handed useTungsten Carbide Blades (stronger than steel)Needs only 3-4 gentle draws, no skill required, Pre-set at 20-degrees (optimal angle for steel blades)Small and lightweight, compact for easy storage