The Hillman Rigid Box Rail Hanger Strap, model 852115, is designed for securely hanging wood-frame sliding barn doors on square box rails. Constructed from durable steel with a zinc-plated finish, it offers enhanced corrosion resistance and longevity. This hanger features a rigid connection between the truck assembly and the door strap, which helps prevent door damage and ensures a stable installation. Equipped with nylon wheel bearings, it provides smooth, quiet, and effortless door operation. Each hanger offers an adjustable design, including a slot in the door strap for lateral and vertical adjustments during installation. When used as a pair, these hangers support a safe working load limit of 450 lbs. They are suitable for both interior applications, providing an industrial aesthetic, and exterior use. The hanger measures approximately 8 inches in length, 5 inches in width, and 3.5 inches in height.