✪【Functional and Effective】: The self-closing door hinge features 90-degree positioning and automatic closing, causing the door to close automatically when the opening angle is less than 90 degrees and close when the angle is greater than 90 degrees. Easy Installation: Without removing the hinges, the self-closing door hinges are convenient to install and require only about 4 cm of parallel space. Widely Applicable: Making practical hardware accessories, the spring-closing door hinges are perfect for cabinet doors, wooden doors, screen doors, furniture, etc. ✪【Easy to Use】: For doors to close smoothly, the spring-loaded door hinges feature automatic damping, allowing easy access for children and pets. ✪【Durable and Reliable】: Made of high-quality iron materials, the self-closing door spring hinge is reliable and safe, and can be used in a durable manner for a long time.