Durable Carbon Steel: This spring door closer is made of high-quality carbon steel. The material is thick and durable, not easily deformed. The surface has a smooth chrome finish for added protection, reducing friction and noise for reliable performance. Self-Closing: This door closer features a spring-loaded automatic mechanism that returns the door to a closed position automatically. There is no need to manually close the door after opening, helping reduce impact force and protect the door from damage. Adjustable Tension: The spring tension can be adjusted according to your needs, suitable for both heavy and light doors. Enables full automatic closing with adjustable closing speed, providing a secure door closing function. Easy to Install: This door closer is simple to install using screws between the door and frame. Compatible with both left and right-handed doors. The package includes 1 black 14-inch spring door closer, 2 locating pins, 1 adjusting pin, and 4 screws. Wide Application: Suitable for front doors, gates, fences, garden enclosures, and various wooden or aluminum doors. Ideal for use on interior and exterior residential doors, offering versatile installation options.