W5SWL Brand Premium Series SMA Female Crimp RF Radio Connector for RG-58 2-PACK - by W5SWL Brand SMA Female Crimp Connector Fits RG-58 Series Cable Teflon Insulator, Gold Plated RF Pin, Nickle Plated Body Impedance: 50 Ohms by W5SWL Brand is Trademarked - Sold only by Dave's Hobby Shop and NO others. Premium Communications Connectors - not for Cable TV