This I-Beam Clamp is the lightest and nimblest of its kind. It is specifically designed for fall protection, work positioning, restraint, personal riding, and more. A 360 degree swivel D-ring allows for ultimate freedom when connected to a lanyard or other attachment. This I-Beam can hold up to 310 lbs. Optimum strength is achieved with a solid steel design and a 7-series aluminum support rod.