New multi-functional Double-Stroke-Pump charges and discharges the liquid in one step.  A robust ball-valve provides a certain return stop of the liquid. The flexible hoses with very delicate diameters make the filling and vacuuming of badly accessible reservoir, easily possible. Suitable for all liquids, lie.g. oil, brake fluid  and coolant. 
 
Double Stroke Pump Plus metal - Product No.  4043