Brass Hose Fitting 6mm 8mm 10mm 12mm 19mm Barb Tail 1/8" BSP Female Thread Copper Connector Joint Coupler Adapter
https://www.vogueparade.com/shopping/EN/200282142/1/1005003612241597/brass-hose-fitting-6mm-8mm-10mm-12mm-19mm-barb-tail-18-bsp-female-thread-copper-connector-joint-coupler-adapter//