Check the listing for details. Self Closing Door Hinge, Auto Closing Spring Hinge with Adjustable Tension, 3.5. Color: Satin Nickel, Condition: New. Listed at 14.61 USD. Self-Closing Feature: The spring door hinge is equipped with a self-closing function, The door can automatically close. Using the included tools, you can adjust the tension of the built-in spring to control the door's self-closing speed. It functions like an automatic door closer, and slow close, ensuring that the door consistently closes securely without the need for manual closing.Robust, Durable, and Safe: Our heavy-duty spring door hinge is crafted from durable steel construction with a nickel-plated surface, manufactured using top-notch craftsmanship, guaranteeing exceptional quality and long-lasting durability. Furthermore, it has obtained UL certification, providing safety and reliability for your home or commercial space.Easy Installation: The spring loaded door hinge comes with essential accessories such as screws and a tension adjuster simplifying the installation process without the need to purchase additional components. It can be effortlessly installed by both DIY enthusiasts and professional installers, facilitating door upgrades.Versatile Application: Self-closing door hinges are suitable for various door types, whether they are interior or exterior doors, including front doors, bedroom doors, bathroom doors, kitchen cabinet doors, and more. You can choose the appropriate quantity based on the specific door type.Customer Satisfaction Guarantee: We are dedicated to offering exceptional post-purchase customer service. If you have any concerns or questions about the product, we are wholeheartedly committed to providing support and solutions. Your satisfaction is guaranteed. Product Description Treasem Self-Closing Spring Door Hinges Eliminate the need to manually close doors every time and the frustration of forgetting to shut them. Add convenience to your work and daily life. 325° rotation angle, simple installation and easy adjustment Simple installation and easy adjustment Use the wrench to insert into the hole which is upper of the hinge, rotate it to the left for tension adjustment, then use the pin to insert into the small hole on the top to fix the position. 325° rotation angle, Suitable for most doors The maximum swivel angle is 325 degrees, suitable for most doors Self-Closing Spring Hinge Details Tension adjustment hole at the upper, use the supplied Allen wrench to adjust the tension. Tension fixing hole on the top, use the pin to fix the position. UL listed ANSI Grade 1, Safe and durable. Comes with Allen wrench, tension fixing pin, wooden screws, machine screws. Number of This Hinge Needed Notes: 1. Keeps door closed when adjusting spring hinge tension 2. When using a wrench to adjust the tension, always turn it to the left. 3. Turning the wrench to the right, the door won't auto close.