Uses This item can help you replace old, damaged hinges. This will give your piece a little up lift. It can also be used to create your own sleeper sofa. All you need is to purchase your own seats and legs, then you hook up this hinge and there you go!. Heavy Duty This product is made from powdered coated steel. The powdered coating with allow it to move in and out without rubbing or wear on the black color. Set of 2 This product comes in a set of two. Perfect if you want to repair you existing sofa or even create your own sofa sleeper. Durable Made of steel, this hinge is built to last. This will allow you to easily relax with peace of mind that this product will hold up.