GalaxyA(R) Style 5228 8&'; Heavy-duty Extension MastConstructed 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 bracketFeatures: Reduced length version Stainless steel upper and lower ferrules with standard 1" - 14 thread Mount: A Style 409-R or 410-R Mounting Kit is required One section, actual length 95" Shakespeare Limited Warranty: 5-Years Specifications: Type: Extension Box Dimensions: 2"H x 2"W x 95"L WT: 2.4 lbs UPC: 719441200060 Quick Guide (pdf)