Beam clamps, also known as I-beam clamps, are devices that clamp onto a structural steel beam for support, lifting, and rigging applications. They connect components to structural steel without drilling or welding. Beam clamps utilize a simple design which consists of set of jaws that open and close by the operation of a threaded handle. In many cases, beam clamps can be installed simply and by hand, with no tools required. They are designed for use with powered of manual hoists.