Constructed of high-quality Shakespeare white fiberglass, and finished to match Galaxy antennas. This 1½ " diameter extension mast can be used to increase height of an antenna and thus improve effective range, or to boost placement of an antenna above on-board obstructions. 4ft length (nominal)
• Stainless steel upper and lower ferrules with standard 1in-14 thread
• Mount: Shakespeare Style 409-R or 410-R Mounting Kit (sold separately)
• One section, actual length 44"
• Use an upper support bracket (sold separately) if the length of antenna and mast total more than eight feet.