GVO Marine Electronics: We provide reliable, safe online shopping 24 hours a day, 7 days a week throughout the U.S. and the world. We are strongly committed to providing our customers with top quality merchandise and world class service. Model 13048 Galaxy Style 5228-1, 1 ft Heavy-Duty Extension Mast One foot length. Constructed of high-quality Shakespeare white fiberglass, and finished to match Galaxy antennas. This 1 " 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. For light to moderate applications. Excellent for use with GPS or TV antennas to clear on-board obstructions. Stainless steel upper and lower ferrules with standard 1in-14 thread Mount: Shakespeare Style 409-R or 410-R Mounting Kit (sold seperately) One section, actual length 12" Use an upper support bracket (sold seperately) if the length of antenna and mast total more than eight feet. Color: Galaxy White GVO Marine Electronics: . Get the item you ordered or get your money back. Covers your purchase price and original shipping.