If you already have "the other guy's" standard base rails mounted in the bed of your truck, simply pin your new Industry Standard Rail (ISR) hitch by PullRite directly onto the existing base rails -- without the cost or hassles of a reinstall! Or maybe you are a new RV'er who wants the best quality and value out of your fifth wheel hitch? Any of our ISR Series hitches can be ordered with our "better than theirs"