Shakespeare Galaxy 5228 8' Heavy-duty Extension Mast [5228] Communication | Antenna Mounts & Accessories It is compatible with most

It is compatible with most M72 handheld accessories and will include other accessories as well

Box Dimensions: 9"H x 10"W x 11"L WT: 4

Compatible hull material: metal

Standard Horizon recommends that this item is installed buy a Technical Dealer

Box Dimensions: 2"H x 2"W x 4"L WT: 0

Shakespeare Galaxy 5228 8' Heavy-duty Extension Mast [5228] Communication | Antenna Mounts & Accessories It is compatible with mostGalaxy Style 5228 8' Heavy duty Extension Mast Constructed of high quality Shakespeare white fiberglass, and finished to match Galaxy antennas. This 1 1 2" 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. IMPORTANT! If the combined length of your antenna and all extensions is more than 8', users MUST use an upper support bracket