DC-022B DC Power Jack 5.5x2.1mm 5.5*2.5mm Female Plug + Male Plug Jack Socket Adapter 5521 Panel Mount Connector
https://www.vogueparade.com/shopping/EN/5/1/1005003355553939/dc-022b-dc-power-jack-55x21mm-5525mm-female-plug-male-plug-jack-socket-adapter-5521-panel-mount-connector//