Today were going to a do a quick review of part number PS30119, the Pro Series Fifth Wheel Trailer Hitch. To start of our review, well go ahead and put it into a couple of base rails. Well line up the pins and put it into the base rail. Then well install the pin and clips that come with the hitch. Now go ahead and take a look at the jaws that hold the king pin in place. Theres two pivoting jaws… see more >