Designed with the tradesman in mind, Black Diamond® high-performance hand tools are tough, reliable and engineered for quality and durability. Perfect for your shop, barn, garage, home, warehouse or construction site, Black Diamond hand tools pass the tests of time, pressure and repeated use. Whether you are a professional tradesman, an accomplished handyman or a serious weekend warrior, you can trust that Black Diamond hand tools will help you make quick work of it. • Heat-treated hardened steel for high strength and wear resistance • A touch of machine oil adds extra corrosion-resistance • 2.5in end-to-end cutting edge. 0.7in(18mm) from top corner to center edge. 0.5mm thickness • Come with storage container for safe storage and disposal.