Spring for Security Spring loaded hinges are a small but important contributor to the overall safety of your home. Install them on the door leading to the garage (because we all know the kids won’t remember to close the door on their own) to keep stray animals from wandering in and your beloved house-bound pets from wandering out. You will “a-door” the way these hinges transform your home! Great for Studios These hinges are great options for creatives who need to keep the sound in and the noise out! If you record music, a podcast, or broadcast radio from home or a private studio, these hinges are ideal for minimizing the effect that in-and-out traffic can have on your sound quality. Keep the Critters Out It can be tough keeping your home free of flies, mosquitos, moths, and the like, but installing spring-loaded hinges on your doors can work a world of wonder! Our hinges will close the door directly behind you, keeping those critters and creepy crawlers out of the house. No more unwanted buzzing in the kitchen or acquiring those pesky bug bites.SPRING DOWN THE HOUSE: A pack of two residential Mortise Spring Hinges designed for enabling your doors to self-close. CONSTRUCTION: Our UL Listed 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: Each pack contains the necessary fittings to install your new spring hinges, including an adjusting hex wrench and screws (Philips flat head wood screws and Philips flat head machine screws). ADJUSTABLE SPRING: Our hinges feature adjustable spring tension for various closing strengths, including a soft close option. QUICK AND EASY INSTALL: These hinges are headache-free to install. Once you upgrade one door, we know you’ll be back for more. After all, one spring leads to another!