The FCP Door Jamb Anchor is designed to be used as a temporary anchor that mounts in door or window openings from 24" to 43" wide. Applications include construction, roof tops with door entrances, elevator shafts, wall openings, emergency & rescue situations, and more. Features one fixed leg and one adjustable leg (with multiple pin sets & adjustable mounting pad), the unit can be sized and secured without the use of tools. The FCP Door Jamb Anchor meets or exceeds all OSHA requirements.