Our Marine satellite antenna Pole Mounts are constructed from high quality marine grade aluminum tubing with an Aluminum Die-Cast Base and Sailboat top, then treated with an anodized marine primer and then finished with a brilliant white powder coated finish. Designed specifically to fit all Satcom/TV Domes. Available in 9 in. to 10 ft. lengths. The last number at the end of the part number indicates the Pole length desired. For example, A 5' pole for a KVH 4 would be AP-4B-5.