Say hello to knives that stay sharp. Thanks to the clever self-sharpening system of Staysharp you can ensure no more blunt knives. Simply insert and withdraw the knife from the case for a sharp knife every time. Precision cutting, slicing & trimming will be a breeze with this Utility Knife. Quality sharp knives made with high-quality stainless steel and a 5-year guarantee. Staysharp has been the iconic product in Australian kitchens since 1969.