RH08 5/16" ID X 10mtr & 19 Plug+1/4" Male - RH08X1/4X19-10 Our air tool hose assemblies are made from genuine Parker Rectus Tema couplings and are available in the most common hose lengths & couplings profiles. The hose is our Rubber-Tech Hose which feels and looks like rubber, without the associated negative aspects.