The Steren 251-502 RCA Jack to RCA Jack Panel Mount Adapter will let you easily add an RCA jack to your distribution system. The adapter comes with its own individual bag of colored rings that can be slipped on the barrel for identification purposes. This solution allows the color indicator to be seen even after cables are attached for easy identification. These keystone and panel mount RCA couplers add a RCA connection into any room of the house or office. If you plan on running your component video or other RCA cables in the wall, you can't beat these connectors to create a professional installation.