5/8 Wave Length Design Rated @ 300 Watts. Can be Used in Single or Dual Configurations. Requires Fine Tuning (SWR). Hi-Performance Loading Coil. 3/8 x 24 Threaded Base with Tapered Contact End. Custom Blended Glass Fiber Reinforced Shaft. Wound with Heavy Insulated Copper Wire. Static Reducing Water-Tight Sleeve Containing UV & Pigment Stabilizers. 100% American Made with 100% American Materials. CB Radio Accessories. CB Antennas / Kits / Whips / Tips