Spring hinge or Spring loaded door hinge is a hinge with one or more springs mounted in its barrel to return a door to the closed position using the kinetic force of the spring(s). Self-closing hinge, which is synonymous with the spring hinge, can be categorized into two hinge types; single action and double action hinges. The both types of self-closing hinges are great to use on the door leading to your kitchen, garage, or backyard room as they help to keep your door closed. Wherever you need extra help in closing doors, Sugatsune spring hinges are available in both spring-loaded-to-open and spring-loaded-to-self close versions, with holes and in stainless steel and aluminum. All of Sugatsune spring loaded hinge series are equipped with adjustable force tension springs.