Eppendorf 3120000062 Single-Channel Research Plus Adjustable-Volume Pipetters, Blue Operating Button, Volume Range: 100 to 1000 &micro;l Adjustable single-channel micropipette with a manual volume control and a secondary calibration option for transporting a measured volume of aqueous or viscous liquid Four-digit counter indicates the selected volume and has a magnified shape for visibility Plunger requires low operating force to aspirate and dispense liquid, reducing user fatigue and thumb muscle activity Spring-loaded tip cone for ease of connecting and ejecting pipette tips Fully autoclavable for decontamination and sterilization