A pipette with a rod-shaped casing, a seat, a displacement equipment, comprising a displacement chamber with a relocatable limit, a connection channel, a drive equipment for relocating the relocatable limit of the displacement chamber, coupled to the relocatable limit and having an axially relocatable lifting rod, an upper stop body, a lower stop body and a stop element on the circumference of the lifting rod for limiting the stroke of the lifting rod, an overstroke spring, a stationary screw element, and with a screw element that is relocatable in the casing, a toothing, running along a helical line with the same pitch as that of the thread of the relocatable screw element and having teeth on the upper edge of the relocatable screw element that are directed in the direction of the instantaneous axis of the relocatable screw element, a toothed driving wheel, and means for rotating the toothed driving wheel.