This round tube connector is make of high-strength aluminum alloy, which is lightweight, resistant, and has good oxidation resistance, ensuring long-term use without easy damage. Specially designed for circular pipes with an outer diameter of 20-21.3mm, providing a perfect fit to ensures a secure connection, avoiding air leakage or loosening, and enhancing the overall stability of the structure. : The design is simple and clear, and can be quickly installed without complex tools. Users can complete the assembly in a short time, saving time and effort. Suitable for various scenarios such as furniture making, industrial piping, stage construction, its multifunctional design makes it an ideal option for a variety of projects. Not only practical, but also enhances overall aesthetics, suitable for the needs of modern homes and commercial environments., Manufacturer: CUNZJIA