MPD Digital CB-BFKY-KHCD UHF Male PL-259 Coax Connector, Bag of 50 Silver plating over Brass Copper alloy provides for a long lasting finish Silver plating allows better conductivity and easier soldering Teflon dielectric will not melt when using high heat and lead-free solder on the Center Pin High quality connectors are NOT Made in Communist China NO Adapter or Reducer Required