Digital 18'' Antenna Extension - Heavy Duty Fiberglass/Stainless Steel Ferrules

Antenna extenders. Constructed of high-quality reinforced fiberglass and finished to match digital antennas award-winning antennas, our antenna extenders are used to increase the height of an antenna to improve effective range or to place an antenna above on-board obstructions that may interfere with proper radiation. All extenders mount standard 1'' inch 14 threaded mounts. Use a center brace when the combined length of your antenna and all extensions is more than 8' feet all antenna extenders feature: heavy duty fiberglass. Stainless steel ferrules. 1'' inch 14 threaded top and base. High gloss urethane finish. 518-ew. Dimensions: 18'' inch - 1'' inch od. Manufacturer: digital antenna. Construction = fiberglass. Mounting style = 1in.-14 thread.