Item Descriptions:-Adapter Type: Twist lock BNC Plug to RCA Jack adapter, Bayonet connection RF coaxial connector.-Brass Contacts: High quality brass contact pin, has good connectivity.-Gold Plated Connector: Provides better conductivity between the coupler and connecting cables.-Easy to Use: Fast and reliable connection, just simple to connect to your cables without professional tools.-Application: Widely used to connect radio frequency coaxial cables in the field of radio equipment and electronic instruments.-Note: Please confirm the type of adapter before purchasing.Package:5x BNC Male to RCA Female Adapters(Note: Other accessories are not include.)Item Specifications:Type:AdapterConnector A:BNC MaleConnector B:RCAPhono FemaleContact Material:BrassFeatures:Gold PlatedColour:GoldLength:26.5mm