1/8" 1/4" 3/8" 1/2" 3/4" 1"1-1/2” BSP Male Thread SS304 Stainless Steel Hex Nipple Union Pipe Fitting Connector Coupler Adapter
https://www.vogueparade.com/shopping/EN/200282142/1/1005003751573168/18-14-38-12-34-11-12-bsp-male-thread-ss304-stainless-steel-hex-nipple-union-pipe-fitting-connector-coupler-adapter//