Made from high strength, corrosion resistant carbon steel Crimps with 3/8" I.D. hydraulic hose, and features a 3/8" NPTF male pipe swivel end Excellent for fluid power systems and other hydraulic applications Interchanges with Weatherhead U-Series Compatible with Weatherhead, Dayco, or adjustable crimpers 10 Pack fittings for 3/8" Hose I.D. x 3/8" NPTF Male Pipe Swivel Hydraulic Hose Fitting Ends. Part number MPX-06-06