Adjustable and Durable: Door security bar from inside can be adjusted between 18.25" to 47.50" and constructed of high grade iron to withstand 400 pounds of pressure *please note: the sliding glass door lock caps decrease the maximum length to 46.50"
Security Door Stoppers: Angled rubber bottom assures full contact and a strong brace on all types of floors without scratching them as well as all door knob types including french doors
Easy To Use: Easily props under door knob and easy to remove. Security burglar bar can also be easily adjusted and be used as sliding door lock.
Dual-Purpose Door Stopper and Security Bar for Sliding Glass Doors: This tool serves two functions, featuring easily switchable caps for both hinged doors and sliding doors/windows.