Oil Drainer is easy use to drain oil in low pressure. Its function is oil sucking, oil collecting and oil filling. And different type of nozzles is equipped for various candition.
In principle, the hydraulic jack is based on Pascal principle, that is, the pressure of the liquid is the same everywhere, so in a balanced system, the pressure exerted on the smaller piston is relatively small, and the pressure exerted on the larger piston is also relatively large, which can keep t