Shakespeare 5228-4 4' Heavy - Duty Extension Mast [5228-4] Electrical | Wire Management They are usually used for

They are usually used for small antennas

Shakespeare Galaxy 5421-XT LITTLE GIANT™

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Shakespeare 5228-4 4' Heavy - Duty Extension Mast [5228-4] Electrical | Wire Management They are usually used forShakespeare Galaxy Style 5228 4 4' Heavy duty Extension Mast Like the 5228, but 4' length (nominal). Constructed of high quality Shakespeare white fiberglass, and finished to match Galaxy antennas. This 1 1 2" d"iameter 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. IMPORTANT! If the combined length of your antenna and all extensions is more