CURT 56000 10 Foot Vehicle Side Truck Bed 7 Pin Trailer Wiring Harness Extension for Select Chevrolet, Dodge, Ford, GMC and Nissan Trucks assist 5 8" hitch lock pin fits Hub Face Length (Inches):89 5 8" hitch lock pin fits 2" receiver tubes 1 4" coupler lock pin fits up to 2 1 2" coupler span Locks keyed alike for convenient one key operation Protected by a durable chrome plated finish Easy to operate non binding rods to be a true rolling unit Mounts to all industry standard base rails Offers four height adjustment positions to adapt to each unique truck bed Tested for safety in accordance with SAE J2638 Protected by a highly durable carbide powder coat finish Limited lifetime warranty (one year finish 5th wheel RVs offer a deluxe Routes a 7 way RV blade socket into truck bed while retaining use of rear socket Simple plug and play design eliminates the need for cutting or splicing Allows for easy connection of 5th wheel or gooseneck wiring 7 way connects tail