Hight Quality Material - Light door closer is made of commercial grade stainless steel, spring operation, totally automatic closing, gives you a easy and safe life, protects your door and lock. Wide Applications - Fire doors adjustable works with all types of medium doors, right and left opened doors, wood and metal doors, residential and commercial doors, exterior/interior door closer, fire doors. Automatic Adjustable Closing Speed - Easily adjust the tension on this safety spring door closer. Use these door closers to convert hinged doors to self-closing ones to help you control the speed of closing door and protect your door lock.Gives you a easy and safe life. Easy to Install - Six different colors to suit your choice. With a closer and stainless steel holder being surface mounted, including installing hardware, installation is simple and you can do it quickly.