W5SWL Brand Premium Series SILVER PL-259 UG-175 Reducer RG-58 Coax 10 Pieces - by W5SWL Brand Silver UG-175 Reducer Silver Plated For using RG-58 with a PL-259 connector Screws inside the PL-259 series connectors by W5SWL Brand is Trademarked - Sold only by Dave's Hobby Shop and NO others. Premium Communications Connectors - not for Cable TV