This 2" Matthellini End Jaw Clamp with HYPER-CHROME Coating from Matthews is ideal for rigging lights, fixtures, cameras, and more to pipe, lumber, set walls, and other surfaces while minimizing unwanted and distracting reflections. The 2" jaws have been designed so they can easily grip round, square, or rectangular tubing. The clamp has a 5/8" Baby pin for lights and accessories with a 5/8" receiver.