Dual-Function Security Bar From Master Lock

This is a 20-guage steel bar which can be adjusted to match any standard sized door or patio door. It offers versatile dual functionally that makes it usable on both hinged and sliding doors. It works like a door-stopper on hinged doors, and as a bolt-like system on sliding doors. Set the Master Lock Security Bar in place, and it will withstand enormous amounts of pressure from the outside, thus reinforcing the door and keeping your home and family safe from intruders and break-ins.