Save your old knives whether you're slicing meat, dicing vegetables, or carving the Sunday roast, a sharp blade makes cutting effortless. The any sharp pro knife sharpener restores a super sharp cutting edge to blunt knife blades that have dulled with use. Works with all your knives hardened steel the unique, patented any sharp uses tungsten carbide technology to extend the life of almost any knife. Any sharp works on virtually any knife, including expensive hardened steel knives. Serrated knives AnySharp even works with serrated blades* (like bread knives and hunting knives), making it unlike any knife sharpener, steel or sharpening stone you've ever used.(*Not very fine toothed serrated knives)no skill required the optimum angle to sharpen a good quality steel knife is 20 degrees. Any sharp is pre-set at 20 degrees to give a perfect edge every time. Getting a consistent angle with a sharpening stone is a skilled job, but any sharp allows anyone to get professional results without any training at all. AnySharp is safer by design hands free safety the any sharps unique safety feature is its power grip suction cup base, which attaches securely to any smooth surface or worktop without the need for any tools. Once its attached you can sharpen any knife safely hands free knife edge safety when your whole knife has been run through, your knife edge may touch as it exits the sharpening tools. The any sharp has a long-lasting polymer guiding top that is softer than metal, and therefore wont damage the metal edge, making it safe for your knives too. Less chance of accidents with a totally blunt knife, any sharp will hone it to a perfect angle, and remove excess metal rapidly the first time you use it. Once sharp, better results are gained by using only light pressure, and only microscopic amounts of metal are shed. Do remember to wipe the knife before use.