W5SWL Brand Premium Series N Female Crimp Bulkhead RF Radio Connector for Low Loss Type 400 Series Coax Cable - by W5SWL Brand N Female Crimp Bulkhead Connector Fits Type 400 Coax Series Cable Teflon Insulator, Gold Plated RF Pin, Nickle Plated Body Dave's Hobby Shop Premium Connector Series - by W5SWL by W5SWL Brand is Trademarked - Sold only by Dave's Hobby Shop and NO others. Premium Communications Connectors - not for Cable TV