8" Hitch Extension Allows BackStage, MonoRail, and SplitRail racks to fold flat on vehicles with spare tires, Extends rack 8 inches from receiver, For 2* hitch receivers, Reduces weight rating by 50%, I for vehicles with spare tires, recessed hitches or van doors, Comes with a locking anti wobble hitch pin, Includes Nylon lock pod with 2 keys