SPRING DOWN THE HOUSE: This automatic door closer hinge kit is designed to enable your doors to self-close, enhancing convenience by ensuring doors are always securely closed without the need for manual effort. QUALITY CONSTRUCTION: Our UL Listed auto hinges feature a quality iron construction with a satin nickel finish. Each has two leaves with four staggered “W” screw holes each and 5/8” radius corners. HARDWARE INCLUDED: Each door closing hinge pack contains the necessary fittings for installation, including an adjusting hex wrench and screws (Philips flat head wood screws and Philips flat head machine screws). ADJUSTABLE SPRING: Our auto door closer hinge features adjustable spring tension for various closing strengths. This makes it perfect for doors anywhere in the house, whether for the front entrance, bedroom, bathroom, or garage. QUICK AND EASY INSTALL: Installing the spring loaded hinge is quick and easy. Simply unscrew your old hinges and replace them with the spring loaded hinges using the new included hardware. Our door self closer is an important contributor to the overall safety of your home. Our hinges on the door will automatic close directly behind you, keeping those critters and creepy crawlers out of the house with our auto close door hinges. Our nickel hinges have quality construction. Installing an automatic door close is a quick, economical way to preserve the cool air in your house. With the adjustability of these spring hinges self closing 4 inch, you can set the self closing hinges for doors to be soft and prevent door slam with the tension adjusted down. Once the mortise hinge is properly installed, the bisagras para puertas will keep your spring door closed. These spring loaded door hinges are a great choice for interior or exterior doors in homes, offices, or garages. The self close door hinges are compatible with most standard door setups, making the spring door hinge a versatile replacement option. The sleek nickel finish of the door hinge spring not only adds a modern look but also resists corrosion for long-lasting performance.