The FrenchCreek 1785 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. It can also be used on trimmed out doors and windows. It meets or exceeds all OSHA requirements.