1Enhanced Protection: For families looking to boost their home security and deter invaders, this door barricade bracket adds an extra layer of protection to your doors. 2Wide Application: These adjustable door barricade brackets applicable for all types of swinging doors as well as hinged doors, ideal for use in garages, basements, barns, warehouses, backyards, sheds, and doors. 3Adjustable Size: The heavy duty door safety bracket can be adjusted from 3 to 7.5 inches, suitable for 2x4, 4x4, and other different sizes of wood. 4Premium Material: Made of heavy duty carbon steel, 4mm thick, sturdy and durable, industrial grade black powder coating helps prevent rust and corrosion, making it suitable for both indoor and outdoor usage. 5Complete Accessories Included: This set includes two adjustable U brackets, fourteen self tapping screws, ten machine screws, and one hex wrench. (Wood not included)