The trailer coupler pin with chain is designed to provide an extra layer of security for your towing setup. The chain ensures that the pin remains attached to the trailer hitch, even if it becomes dislodged during . This feature is particularly useful for trailers used in rugged environments, where vibrations and are common. By keeping the pin in place, the chain helps prevent accidents and ensures towing experience. Features -Color:Silver -Material:Steel -Size:5.00X5.00X1.80cm/1.97X1.97X0.71in -Precision craftsmanship: meticulous craftsmanship ensures detailed handling, providing a practical product -User-friendly operation: simple operation allows for quick and easy lifting tasks, saving for the user -Simple and secure: the easy-to-use design ensures a quick and secure connection, enhancing the safety of your trailer -Simple installation process: designed for ease of use, this safety pin can be quickly and easily installed on a wide range of trailer couplers -Flexible and reliable: suitable for various user needs, this safety pin offers a dependable and adaptable solution for different towing requirements Package list: 1 x trailer safety pin