The AnySharp knife sharpener is probably the best knife sharpener in the world. Works with all your knives - even serrated blades! Save your old blunt knives, make cutting easy again! Whether you're slicing meat, dicing vegetables or carving the Sunday Roast, a sharp blade makes cutting effortless. AnySharp restores a super sharp cutting edge to blunt knife blades that have dulled with use. Works with all your knives - even serrated blades! The unique, patented Any Sharp knife sharpener uses tungsten carbide technology to extend the life of almost any knife. Any Sharp works on virtually any knife, including expensive hardened steel knives and even serrated blades (like bread knives and hunting knives), making it unlike any knife sharpener, steel or sharpening stone you've ever used.