DC-022B DC Power Supply Jack Socket Female Panel Mount Connector Plug Adapter 5.5*2.1 5.5*2.5 Dc022b Snap In Type
https://www.vogueparade.com/shopping/EN/5/1/1005003741198880/dc-022b-dc-power-supply-jack-socket-female-panel-mount-connector-plug-adapter-5521-5525-dc022b-snap-in-type//