Scilogex 71211106 MicroPette Single-Channel Pipettor, 5-50 microliter Volume Adjustable single-channel micropipette with a manual volume control for transporting a measured volume of liquid Digit counter indicates the selected volume and is positioned on the side of the pipette body for visibility Integral tip ejector for access into narrow tubes Calibrated to ISO 8655 standards for precision and accuracy Autoclavable nose cone ensures sterility and avoids cross-contamination