3/8" Hose x 3/8" JIC 37 Degree Female Hydraulic Hose End Swivel Crimp Fitting 3/8" hydraulic hose crimps with 3/8" I.D. hydraulic hose and 3/8" JIC 37 degree female end Heavy Duty Construction: The 3/8"JIC 37° flare hydraulic hose fitting is made of high quality carbon steel Our 3/8" jic hydraulic fittings use for hydraulic systems with petroleum etc fluids power systems or other industrial hydraulic applications Compatible with Weatherhead U-Series/Dayco or other adjustable crimpers Compatible with Male End(JIC 37° end)----Outer Diameter(O.D.): 9/16"(0.56") Product Size: Female End(3/8" JIC 37 degree hydraulic fitting crimped end) ---Inner Dimeter(I.D.):17/32"(0.51") Another Female Hydraulic Hose-Inner Dimeter (I.D.):3/8"