N Male to SO-239 UHF female 6 inches.   This cable is designed for the Rig Expert and other Antenna analyzers with N Female connectors.    This adapts the connector to allow a PL-259 antenna connector to be connect to the analyzer.  The 6 inch cable take the stress off the antenna analyzers N female connector.  This is very important when testing LMR-400, Heliax and other stiff cables.