EATON Weatherhead Coll-O-Crimp 06U-506 Male Rigid Fitting, SAE 37 Degree, Low Carbon Steel, 3/8" Hose ID, 3/8" Tube Size Adapts 3/8" JIC 37-degree flare male end to 3/8" hose ID Carbon steel for durability and resistance to rupture under high pressure Requires use of crimping tool (not included)