Paintball PCP Air Rifle 8mm Stainless Steel Quick Release Disconnect Coupler Fitting 1/8"BSP 1/8"NPT M10 Female Socket
https://www.vogueparade.com/shopping/EN/100005571/1/32723958999/paintball-pcp-air-rifle-8mm-stainless-steel-quick-release-disconnect-coupler-fitting-18bsp-18npt-m10-female-socket//