AnySharp Multi has two sharpeners. The first rejuvenates knives. A few light strokes and any straight or serrated blade is as sharp as new in seconds. A second sharpener cleans up, hones and sharpens almost any tool in the kitchen or garden. Whether you re planting, trimming, chopping or digging, a sharp tool makes gardening enjoyable. AnySharp Multi-Tool Sharpener saves your old blunt tools making gardening easy again! For all your knives even serrated blades! The unique, patented AnySharp uses tungsten carbide technology to extend the life of almost any knife. AnySharp works on virtually any knife, including expensive hardened steel knives and even serrated blades (like bread knives and hunting knives) Full length rigid finger guard : The AnySharp Multi Tool sharpener has a full length guard to protect against accidents. Sharpen and hone with total safety keeping your hands and fingers out of harms way! Firm grip and close control : A good grip and good control provide additional safety. The textured, ergonomic grip combined with a thumb rest for fine control help avoid slips. Light pressure. Less accidents. With a totally blunt knife or tool, Multi 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. The optimum angle to sharpen a good quality steel knife is 20 degrees. AnySharp 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 AnySharp allows anyone to get professional results without any training at all. All you need to do is draw the knife sharpening tool over the blade 3 or 4 times to restore a super sharp cutting edge. For tools, simply use the other end, a flat tool, to flatten, smooth and rejuvenate almost any tool or scissors! Two separate sharpeners in one - Knife sharpener sharpens straight and serrated knives - Tool sharpener cleans and sharpens garden tools like pruners, shears, trowels and more - Textured, ergonomic grip with thumb grip - no more accidents - Solid ABS construction, with finger guard for safety.