1、Versatile Holder: The plug holder is suitable for both 7pin and 13pin trailer plugs, providing stable support for your trailer connector. It also protects the plug from contamination and damage from external environmental factors. 2、Durable Materials: The holder is made from durable plastic and metal materials, ensuring resistance to wear and tear and long lasting durability even with frequent use. 3、Easy Installation: The holder can be easily installed by screwing the adapter protective cover onto the trailer hitch. There are no complex installation steps or tools required. 4、Maintains Cleanliness: The design of the holder helps keep the trailer connector clean, preventing dust, mud, and other debris from entering the plug. This ensures the stability of the connection and reliable electrical transmission. 5、Durable and Reliable: As a holder, it is built to be durable and reliable, capable of withstanding prolonged use and challenging conditions in various environments. It ensures a stable connection and long lasting performance of the trailer plug.