Galaxy AIS antenna with brass and copper elements for maximum range and efficiency. High gloss non yellowing Polyurethane Finish with stainless steel ferrule.Exclusive white fiberglass seals out moisture to prevent corrosion. Rugged, high-gloss finish assures long-lasting beauty.Stranded, high-quality tinned copper inner conductor maximizes signal strength.High-quality brass choking sleeve suppresses cable radiation for maximum on-air signal.Flexible low-loss coax that has higher power capabilities, less loss per foot, UV stable jacketing, stranded copper core, and a higher concentration of copper shielding to help maximize antenna performance.Stainless steel ferrule resists corrosion.