[Safety] High quality carbon steel door stop, safety bar, industrial forging process, making the bracket strong enough. Upgraded U-shaped design - U-shaped design plus reinforced sturdy base, can be installed on any exterior door to prevent or delay entry during a . [Fits 2 x 4 lumber] Designed to fit lumber on 2x4, industrial finish, long-lasting rust protection for indoor and outdoor use, ideal for , barn, shed, garage, gate, stable, etc. Quick and easy installation - Within minutes, your home will be safer. Simple drilling is required and each drop open bar holder bracket has tool holes for easy access to tools. Wide range of applications - This door security bracket provides excellent security for all types of inward or outward opening doors, ideal for garage, , barn, shed, warehouse, garden and more. size: 14cmMaterial: MetalColor: blackPackage Contents:2 x Door Reinforcement BracketsOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3 cm.