The ergonomic design, coupled with the smooth plunger movement, minimizes operator fatigue. Includes a built-in tip ejector for convenience. Utilizes PTFE (Fluorine resin) in the airtight chamber, ensuring prolonged air-tightness and precise reproducibility over extended periods. With a volume range of 50ul, it boasts an accuracy of ±0.6% and precision of ≤0.3%.