A Hack saw is a type of hand tool designed exactly for cutting through materials such as plastic, steel, and other metals. These Bi-Metal Hack saws are a variant of the traditional hand saw, typically used for cutting wood, and have become a staple tool for professionals and hobbyists alike. Hack saw blades are available in 12-inch sizes and a variety of teeth for cutting materials. It is a fine-toothed saw, originally and mainly made for cutting metal. The hack saw is a hand-powered, small-toothed saw used for cutting metal pipes, rods, brackets, and it can also cut through the plastic. This hack saw has a spring steel body for being flexible, safe, long life and further increases wear resistance.