We are interested in: universal crowfoot couplings (u. S. Type) - hose ends: For all sizes (carbon steel) + material: Carbon steel - zn plated (yellow) - female npt ends: For all sizes (carbon steel) + material: Carbon steel - zn plated 3.2 universal crowfoot couplings (european type) Material: Carbon steel - zn plated (yellow). All sizes - hose ends - male bspt ends - female bspp ends - hose end with collar .