Size:2 milliliters, Blue Economy Pipette Pump(TM) III pipettors provide accurate dispensing in a manual format. Using the thumb wheel the Economy Pipette Pump III offers one-handed operation with liquids easily aspirated or dipensed down to a volume of one drop at a time. The thumb wheel can be rotated to "blow out" the pipette. Ergonomic design provides comfortable, stress-free use over extended periods of time virtually eliminating fatique due to repetitive or uncomfortable pipetting movements. It is acid- alkal- and solvent-resistant and can be easily taken apart for cleansing. Overall length 171 mm. Research, industrial and healthcare professionals rely on SP Scienceware for their sample handling needs. Sold worldwide, Bel-Art and H-B Instrument brand laboratory supplies include over 5,000 items from safety wash bottles to fume hoods, thermometers, racks, desiccators, hydrometers, ice buckets, scoops and spoons. Custom calibration services, plastic molding, specialty coatings and wire manufacturing are also available. Wilmad-LabGlass brand laboratory glassware complements Bel-Art and H-B Instrument with over 7000 items including NMR and EPR consumables and specialty glassware, as well as custom fabrication for individual glassware, glass repair services and OEM glass parts. SP Scienceware is a division of Warminster, PA based SP Industries which also include SP Scientific laboratory, thermal management, and pharmaceutical production equipment and SP Ableware aids for daily living.