FallTech 7465A Temporary Window/Door Opening Anchor for Fall Arrest/Restraint, Adjusts to Door/Window Openings from 21" to 51", No Fasteners Required, Natural Lightweight aluminum body with steel adjustment feet^Protective foot pads on main body and final adjustment leg^Durable steel and aluminum construction for secure attachment and extended service life^High degree of adjustability for use in a wide variety of work locations