【Durable Carbon Steel】: This spring door closer is made of high quality carbon steel. The material is thick and durable, not easy to deform. The surface features a smooth chrome finish for added protection, reduces friction and noise, so you can use it with confidence. 【Automatic Closing】: This rod door closer features a spring loaded automatic door closer in design, automatically restores the closed state through the spring. It is not necessary to close the door after entering the door, and can effectively reduce the force when closing the door and protect the door from damage. 【Adjustable Tension】: This garden door closer can adjust the spring tension according to your actual needs, suitable for heavy and light operations, making your daily life easier. The door closer reduces the force when closing the door. Fully automatic closing and adjustable speed ensure a safe door locking mechanism. 【Easy to Install】: This interior door closer is easy to install, just install and screw