National Catalog 1181BC Heavy Duty Mending Plate, 6 In. x 1-1/2 In. is designed for strength and durability, featuring a black powder coat finish that enhances weather resistance. This heavy-duty mending plate is i for reinforcing, attaching, connecting, aligning, and splicing various materials. It includes slots for 5/16 inch carriage bolts, making installation secure and reliable. Please note that the safe working load depends on the specific application and fasteners used, so consulting design professionals is to ensure suitability and safety for your project. Model Number: 1181BC