Shakespeare Galaxy Extension MastThe Shakespeare Galaxy Extension Mast is constructed of high-quality white fiberglass and finished to match Galaxy antennas. This extension mast can be used to increase the height of an antenna and thus improve effective range. It can also be used to boost placement of an antenna above on-board obstructions. Features stainless steel upper and lower ferrules with standard 1″-14 thread.Size Options:1’1″ Diameter for light to moderate applications. Great for GPS and TV antennasOne section, actual length 12″2’1″ Diameter for light to moderate applications. Great for GPS and TV antennas.One section, actual length 24″4’1-1/2″ Diameter; 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.One section, actual length 44″8’1-1/2″ Diameter;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.One section, actual length 95″A mount is required butnot included. Use 409-R Mounting Kit or 410-R Mounting Kit.