Door Closers Spring Door Closer: - The arm is adjustable, so you only need to lower it when you don't need to use it, without completely disassembling it. Closing Design: - The use of a spring door closer can automatically close the door, and this spring door closer can adjust the closing speed, making it convenient for your life. At the same time, it can reduce the noise generated when closing the door, prevent damage to the door or wall, and extend the service life of the door. Easy Installation: - Pulling out the rivet can adjust the closing speed and elasticity. Please adjust as needed, Each spring door closer required accessories have been provided in the package: Self Tapping Screws, Adhesive Backing and Hex Key Wrench, you only need to install it behind the door to use it. This product can be used on both left and right doors. maximum door open angle of 150 degrees after installation. Wide Applications: - Our spring door closer is suitable for use in homes, offices, hotels, and more; Recommend installing it in various places that require quiet, providing you with more quiet, comfort, and convenience in your daily life., Manufacturer: KDHCVKZ