Eaton Weatherhead 40X2 Brass CA360 SAE 45 Degree Flare, Cap, 1/8" Tube OD (Pack of 10) Hex cap with SAE 45-degree flare female end terminates 1/8" OD tube size fitting Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability For use with LP and natural gas, refrigeration, and hydraulic applications