FIRESTIK 3ft Heavy Duty Antenna - 5/8 Wave Black. Features of FIRESTIK 3ft Heavy Duty Antenna - 5/8 Wave: 92 cm (3 Feet) 5/8 Wave Antenna. Top Loaded Antenna. Works with All CB Radios. Covers all AM FM and SSB Citizen Band Radio Frequencies. Average tuned SWR: 1.5 to 1. For Single or Dual Installations. Use with 550 cm (18 Feet) or Fire-Flex Coax. 3/8 Inch x 24 Heavy Duty Threaded Base. Fits all Firestik Mounts and Accessories. Cover reduces Static Noise up to 50percent. Whip Length: 92 cm (3 feet) 5/8 Wave Trim to Tune Rated at 300 Watts Packing Blister-1. Package Contents: FIRESTIK 3ft Heavy Duty Antenna - 5/8 Wave FIRESTIK KW3B: 3ft Heavy Duty Antenna - 5/8 Wave Black