Fills and empties 1 to 100 µl calibrated capillary pipets. Knob displaces approximately 20 µl per turn. Uses same silicone rubber tip as “sipper” tubes with no need for adaptations. Over-shoot easily controlled. Is not affected by sample viscosity. Will not roll on table top. Supplied with extra nosepieces for seating O-Ring and capillary tubes. Easy to disassemble for cleaning.