1.SMA jack female socket 4 hole flange mount 2.material :brass/copper 3.Contact termination:solder Rroduct description : ... product name : SMA jack female socket 4 hole flange mount golproduct specconnectors ,interconnects.FamilyCoaxial, RFSeriesSMAConnector StyleSMAConnector TypeJack, Female SocketsContact TerminationSolder ...