Stainless steel Nut and ferrule set Connector Nut 1.Size:1/8"--2" 2.Material:stainless ... :6-32mm or 1/16"-1" inch;4.Technics:Forged;5.Thread Standard:NPT,BSP,BSPT,G,SAE,PT,RP,ISO ... retighten and trouble-free performance; Stainless steel Nut and ferrule set