【Fitment】19mm high pressure fuel line socket design for Detroit Diesel DD13, DD15 & DD16 High Pressure Fuel Lines.Supersedes J-48770 【Reliable remover】Specific used on fuel line socket removal tool supersedes J-48770 W47058090900. Use with 3/8 in square drive ratchet, will quickly make your job done, be highly efficient tool to save your time 【Material】High pressure fuel line socket manufactured from high standard steel reinforced and heat treated. With a black powder finish that is not easy to wear, get rusty, and is not out of shape for a long time 【Function】An extension socket tool designed for quickly and easily removing diesel fuel line nut, which is difficult to access with standard tools.Get your job done much faster and effort saving 【After-sales Support】Camoo aims to provide excellent products and positive experiences for customers. If our products fail to live up to your standards, you may return them in 30 days for a replacement -no questions asked!