1 pc stainless steel Airbrush Quick Release Coupling Disconnect Adapter with 1/8" Plug Fitting Part quipment adapter
https://www.vogueparade.com/shopping/EN/200282142/1/1005003723652413/1-pc-stainless-steel-airbrush-quick-release-coupling-disconnect-adapter-with-18andquot-plug-fitting-part-quipment-adapter/