National Structural Corner Brace 6.2 x 3 x 1/4 in. Black is a heavy-duty structural corner brace designed to reinforce 90-degree angles by attaching to either the inside or outside of the corner. It features slots for 1/2 inch carriage bolts and larger bolt holes that versatile options for structural support. The chamfered corners not only enhance its strength but also provide a decorative look. Finished with a black powder coat, this brace improved resistance to weather, making it suitable for various applications. Please note that the safe working load depends on the specific application and fasteners used, so consulting design professionals is to ensure it meets your requirements.