Comprehensive Packaging: for covering adjustment holes, seals for door protection and so on; The door closers feature an automatic function and a stylish painted finish that suits most type of doors Quality Manufacturing: the door self closer is constructed from quality metal, promising noiseless operations and outstanding durability; With its corrosion resistant and rustproof , this automatic door closer ensures an effortless and secure living environment while maintaining the condition of your door and lock Easy Installation: easy mounting; This automatic door closer can be applied on doors weighing up to about 132.28 lb/ 60 kg; Equipped with this device, you can easily convert a hinged door into a self closing one for your convenience Quiet Operations: this safety spring door closer, with its automatic function, effectively closes your door without creating disturbance; Whether at rest or at play, you be at ease knowing that your children or pets not unintentionally enter or exit