GMEs most heavy duty elevated feed style antenna in BLACK! When extreme conditions are a constant, the AE4018K3 is the best option. It introduces GMEs latest elevated feed the ABL017, made with delrin plastics and the extra heavy duty AS003 parallel style electro polished SS (Stainless Steel) spring. The whip is made from durable fibreglass with software controlled precision winding around a braided copper element, black heat shrink and chrome plated ferrule. Providing 6.6dBi gain, this antenna assembly is a fantastic all round antenna for use where extreme heavy use is expected - alternatively, the styling is simply preferred!