This heavy-duty 4-way four-arm square tube bracket is specially designed for 3D stereo pergola, gazebo and outdoor canopy frame construction. The four-direction connecting structure makes the whole frame more stable, firm and neat, greatly simplifying and speeding up outdoor frame assembly work. Made of high-quality thick metal with black powder coating, it is rustproof, waterproof and weather resistant, perfect for long-time outdoor use in backyard, garden and patio. We are direct manufacturer of pergola and gazebo brackets. Except standard products, we fully support customized sizes, heights and surface colors. We provide OEM and custom hardware solutions for wholesale buyers, distributors and engineering projects. Ideal for DIY backyard pergolas, garden gazebos and all kinds of custom outdoor sunshade shelter frames.