1、Function: This plate is mounted on the tow bar for the power socket to be mounted in, and the socket can be tightly fixed without shaking. 2、High Quality: Made of high quality steel material, which has high strength, sturdy, durable, and not easy to break, for long term usage. 3、Feature: The socket bracket is designed for two bolt style tow ball connections, the diameters are approximate 16mm/0.63in, and 19mm/0.75in. 4、Flexible: The bracket has multiple holes to fit a variety of trailer wiring harnesses, which bring you quite convenience, and fast installing work. 5、Fitment: The socket mounting bracket is a replacement part for trailers, before ordering, please check whether the hole diameter fits for your trailer.