FBI Hidden Trailer Hitch for '14-Up FL (except CVO). Pull your extra load with confidence using one of FBI's hidden hitch assemblies and show no sign of the hitch when it's not in use. Receiver and ball are included with each hitch. Ball is 1-7/8 with 3/4x1-1/2 shank, chrome. All FBI hitch framework is stainless steel, receivers are chrome plated. For the handiest and most complete wiring harness kit available, see the FBI trailer harness kits.