Package List 1 x Door Closer Characteristics - Material: Stainless Steel + Aluminum Alloy door stopper. - Keep doors in high traffic areas securely and safely closed, preventing noise, heat loss and increasing safety door closer buffer. - Automatic closing and latching, maintaining quiet and security screen door closer. - Use these door closers to convert hinged door to self-closing door, you can easily and quickly operate spring door closers. - The automatic hydraulic door closer is made of material with the hydraulic principle to keep your door close safely safety spring door closer. - These spring door stopper has adjustable closing speeds. Allowing them to be on both left and right handed swinging doors kickdown door lock.Goods Descriptioncommercial door closer The safety spring door closer with smooth closing technology removes the bounce from your closing door and allows you to get through with ease, make your next to-do is quick and easy.Door Closer for Storm Door Gives you a easy and safe life.mounted door closer Help you control the velocity of closing door and protect your door lock