Firestik Firefly FL4 Black 4 ft Flex Fiberglass CB Radio Antenna w/ tuneable tip 5/8 Wave Antenna Covers All AM/FM And SSB Citizen Band Frequencies, Weather Band And NOAA Alert Works With All CB Radios For Single or Dual Installations 3/8-24 Thread Barehands Tuning, No Tools Required Average Tuned SWR = 1.5:1 Ships Within One Business Day Of Payment