DC-022B 5.5x2.1/5.5x2.5mm DC Power Jack Socket Supply Female Panel Mount Connector Plug Adapter 2 Terminal Type DC Connector
https://www.vogueparade.com/shopping/EN/4003/1/1005003719115316/dc-022b-55x2155x25mm-dc-power-jack-socket-supply-female-panel-mount-connector-plug-adapter-2-terminal-type-dc-connector//