National Corner Brace 10.25 x 1.5 x 1/4 in. Black is a heavy-duty corner brace designed to reinforce 90-degree angles by applying it to the inside or outside of the corner. Featuring a black powder coat finish, this brace improved weather resistance, making it suitable for various applications. It includes slots for 5/16 inch carriage bolts, providing secure fastening options. Please note that the safe working load depends on the application and fasteners used, so consulting design professionals is to ensure suitability and safety for your specific project. Model Number: 1151BC