Jinko PV-JK-03M Male/Female Connector Set
The Jinko PV-JK-03M solar connectors are designed for use with #10 AWG or #12 AWG stranded wire. NOTE: Jinko does not make a crimping tool at this time, and recommends that an MC4 type crimp tool be used for assembly.
Technical Documents: Jinko-Connector-Datasheet-JK03M Jinko-JK03M-Connector-Installation-Manual