These precision laboratory autoclavable pipettors are designed with a finger hook for exceptional comfort and easy single-hand operation. Lightweight and well balanced, the Phenix Manual Pipettors fit comfortably in either the right or left hand and operate with very low plunger forces. Ergonomically positioned, the tip ejector reduces fatigue during prolonged use. Phenix pipettors have a univeral shaft that will accept most pipette tips. Chemically-resistant, maintenance-free seals and finely polished pistons provide unsurpassed accuracy sample after sample. The continuously adjustable, digital micrometer is slightly recessed with a volume lock to prevent uninentional change while pipetting. For convenience, volume dna also be adjusted by turning the push-button.