Soxorex® Step-Pette™ Adjustable Repeater Pipettes are highly comfortable pipettes intended for reliable dispensing and high performance results. The Step-Pette™ accurately dispenses a sample volume repetitively - simply insert syringe, raise piston to fill, dial volume desired, and press trigger to dispense up to 74 times without refilling. Disposable syringes eliminate cross-contamination. Color-coded knobs show the number of steps that can be completed for selected sample volume. A safety lock on the trigger stops dispensing if insufficient liquid remains in the syringe. Easy volume adjustment. Comfortable grip. Trigger dispenses by a simple squeeze of the hand and eliminates thumb fatigue. Accuracy and reproducibility: ±1%. Selected materials offer outstanding shock resistance and compact shape greatly limit internal contamination. One-year manyfacturer's warranty.