This high quality hose coupling splice is characterised by high pressure resistance. This coupling splice uses the same sealing design as Earls, Speedflow, Aeroquip and Goodridge products, meeting automotive and aerospace industry standards. It is recommended for our aluminium pipe couplings. Used for oil lines, gasoline lines and air delivery in racing.Specification:1.Colour: blue2.Size: Dash 04 (AN-04), Dash 06 (AN-06)3.Type: straight (father/father)4.Thread:7/16-20 - 9/16-185.Material: aluminium6.High quality7.For aluminium pipe couplings