Features and Benefits:�This set of 6 adaptors, in association with the HU35026 Diesel High Pressure Kit, will allow to test the diesel high pressure of most popular cars in the market (Delphi, Siemens, Bosch and Denso pumps). One end of the adaptors always has a M12x150 thread to fit out hoses. The other ends are: M12x125 (2 in the set), M14x150 (2 in the set), M14x100 (1 in the set), M16x100 (1 in the set)Last Generation Diesel High Pressure Adaptors. USE WITH HU35025 and HU35026