Abandon traditional welding methods, used for stainless steel anti-theft screw connections, quick and easy assembly, beautiful and strong Used in industries, beautiful colors, unique four-layer anti-corrosion treatment, effectively extending lifespan of product Used for zero-maintenance advantages of an effective solution to a long-standing tradition of guardrail surface rust, chalking, cracking and other issues 20 square tubes, 40 square tubes, 50 hot-dipped galvanized square tubes and steel Customized heights and lengths are accepted Art designs and appearance is noble