Feature Highlights: 1. Premium Build Quality: Made from high-strength carbon steel with a smooth plastic coating, this spring-loaded door closer is burr-free, rust-resistant, and built to last. It works reliably both indoors and outdoors. 2. Automatic Closing Action: Equipped with a spring mechanism, the door closes gently and automatically after you pass through—no need to push it shut. This helps reduce wear on the door and frame. 3. Adjustable Spring Tension: Use the included adjustment tool to easily set the closing force. Whether your door is light or heavy, you can customize the closing speed for smoother, quieter operation. 4. Simple Installation: No tools needed—just mount the closer between the door and frame and tighten. It fits both left- and right-opening doors, and a single unit can even operate two middle-mounted doors to save cost. 5. Wide Compatibility: Works well on wooden doors, plastic doors, gates, fences, and more. With a total length of 356mm and adjustable tension, it handles both lightweight and heavy-duty doors with ease. Product Details: This automatic door closer features a durable carbon steel body with a protective plastic coating to prevent rust and deformation. Its spring-loaded design ensures doors close gently and consistently, reducing noise and impact. The closing force can be adjusted to match your door’s weight and usage. Installation is tool-free and straightforward—simply secure it between the door and frame. Ideal for interior and exterior doors, gates, and partitions, it offers reliable performance in homes, offices, or commercial spaces. Specifications: - Color: Black - Material: Carbon steel with plastic coating - Size: 36 cm x 4 cm - Total Length: 356 mm - Package Includes: 2 sets of hinges Notes: - Product color may vary slightly due to lighting and screen differences. - Slight size variations of 1–3 cm are possible during measurement. - Only the listed items are included in the package.