Anderson 1331 PP30 Silver Plated Power Contact. Fits 16 AWG to 12 AWG wire size. Up to 10,000 mating cycles. Contacts wipe each other during connections and disconnections for minimal contact resistance. Closed barrel end for soldering ability. Useable for circuit interruption or hot plugging applications. Low mating force. 

This is ONE contact, order more than one if you need more