Made from carbon steel with excellent and oxidation resistance, ensuring long lasting durability for both indoor and outdoor use. Designed for 20mm round pipe joints, providing robust to easily hold heavy items like clothing racks, display shelves, and other household fixtures securely. Suitable for connection of clothes rails, shelf, display rack, shoe rack, kitchen rack, flower rack. Features a smooth surfaces and simple styles that blends seamlessly with different home decors, combining practicality with aesthetic appeal. The design is simple, and users can quickly and easily complete the assembly.