It has a high force and automatically increases when it is opened to a certain height. It act as a buffer, which is more labor-saving, Stable characteristics, high reliability. With this special design damper, shock can make your opening or closing easy and comfortable, convenient and safe. Made with advanced rods and precisions fitting brackets with multi-layer gaskets. Make it easy to open or close your tailgate, sophisticated production with excellent , stable and fine detail production. Direct fit replacement lift , makes opening and closing easy and comfortable, convenient and safe. with simple hand tools. Perfect for frequent or shoppers, these quick and convenient access to your luggage, making loading and unloadingbreeze. Package includes: 2pcs Tailgate Damper