This is RoadMaster's 6-pin (Jeep Side) to 7-pin (RV side) Flexo-coil Umbilical cord.  Fully extended, it can span over 8'.  On the Jeep side, this kit includes a powdercoated steel mounting bracket for the 6-pin connector.  When you want to tow your Jeep, simply connect the Flexo-coil between the Jeep and your RV.

This premium quality unbilical cord is included as part of or JL Deluxe Tow Wiring Harness Kit.