The thumb wheel can be easily manipulated for exact aspiration or drop-wise delivery, - all accomplished with a light grip. These features provide comfortable, stress-free use over extended periods of time. The thumb wheel can be rotated to "blow out" the pipette. Offered in 3 different pipette volumes, 2, 10 and 25 ml, each volume is easily identifiable by its color. It is acid- alkal- and solvent-resistant and can be easily taken apart for cleansing. Overall length 171 mm (6.75"). Per each
