Now from the maker of the world's best knife sharpener comes another innovative tool that everyone can use - the AccuSharp folding sport knife. This tool is constructed of anodized aluminum and stainless steel providing years of rust-free use. And with our patent pending wheel lock, you have the ability to open and close this tool with only one hand. The belt clip ensures that this knife will always be by your side when you need it. Our knife also has a glass breaker feature. And as with all our other products, it has a lifetime warranty..