Shakespeare Galaxy 2-Foot Heavy-Duty Extension Mast

The Shakespeare Galaxy 2-Foot Heavy-Duty Extension Mast is constructed of high-quality Shakespeare white fiberglass, finished to match Galaxy antennas. It is designed for boaters who want a small height boost to increase antenna range or clear a nearby obstruction.

The 1-inch diameter mast uses stainless steel upper and lower ferrules with standard 1"-14 thread, requiring a Style 4187 or 5187 mount (sold separately). If the combined length of your antenna and mast exceeds 8 feet, an upper support bracket (sold separately) is required. Browse more options in our VHF radios and antennas category.

Key Features: 1" diameter, 24" actual length, white fiberglass matching Galaxy antennas, stainless steel upper/lower ferrules, requires 4187 or 5187 mount, upper support bracket required over 8' combined length.

Frequently Asked Questions

What does this extension mast do? It increases antenna height to improve effective range, or raises placement above onboard obstructions.

What mount does this require? A Shakespeare Style 4187 or 5187 mount, sold separately.

Do I need extra support if I use this? Yes, if the combined length of your antenna and mast exceeds 8 feet, an upper support bracket is required.