This straightforward pipettor assures safety, accuracy, and effortless manual operation. Pipettes are held firmly and in a watertight manner with its soft tapered chuck. The side-mounted thumbwheel is effortlessly manipulated for exact aspiration or drop-wise delivery and the plunger is easily depressed for quick dispensing. The pipette is comfortable to use for extended periods of time. It is acid- and alkali-resistant, and is quickly taken apart for maintenance or cleaning. Color coded barrel indicates pipette size.