Eaton Weatherhead C3069X4X2 Carbon Steel Fitting, Hex Nipple, 1/4" x 1/8" NPT Male, 1.26 inches Length (Pack of 4) Adapts 1/4" NPT male end to 1/8" NPT male end Carbon steel for durability and resistance to rupture under high pressure Hexagonal middle section for tightening with a wrench