F compression connector 1. RG58/ RG59/ RG6/RG11 2. Plating: Nickel/gold 3. Material: Copper , Zinc half copper and ha 5 18mm,19mm,20mm,22mm ... , Splitter, Made of copper ,half copper and halfZinc, zinc . OEM/ODM accepted Highquality, Lower price, good service. F compression connector( waterproof connector)for RG58,RG59 ...