High-Pressure Oil / Grease Flex Hose 4.1mm x 8.75mm 840 Bar (12184 PSI) with 6mm Studs on both ends. The hose is measured from the exposed rubber +/- 1/8". The 6 mm Studs use a Claw Groove for Push-in and Compression Fitting connections. The overall hose length = (hose length + 5-1/2" +- 1/4") measured from the end of the hose studs. Available with Spring Wire Hose Cover. Special hose lengths are also available.