W5SWL Brand Premium Series Coax Connector UHF SO-239 2 Hole Diamond Chassis Mount UHF SO-239 2 Hole Chassis Mount Delrin Insulator, Nickle/Zinc Body, Nickle Plated RF Pin 2 Hole Diamond Mount Dave's Hobby Shop Premium Connector Series - by W5SWL by W5SWL Brand is Trademarked - Sold only by Dave's Hobby Shop and NO others. These are Communications Connectors - not for Cable TV