High quality hardware value: specially designed for all kinds of copper doors, glass doors, KFC doors, our door closer is the perfect choice for all kinds of residential doors. Our door closer guarantee safety. In addition, our door closer ensure the normal use of the door, parts can be replaced at any time. Easy installation: Each of our door closer comes with detailed installation instructions, including every suitable part, saving you time and facilitating quick installation without delay in use. Our door closer do not need to go to the hardware store to install and run, simple operation, fast hand! Note: our door closer is suitable for all kinds of copper doors, glass doors, KFC doors, please choose your products according to your needs..syi