Nichipet Fixed Volume & Triple Volume Micro Pipettes. All units have a smooth movement plunger, are lightweight and come with a built-in tip ejector. The slender design reduces operator's fatigue. The Nichipet F comes with 11 different standard volumes from 5 to 1000µl. Special volumes within this range are available for custom order. The Nichipet V Triple Volume have three volumes that can be selected by turning the thumb knob until the desired volume figures on the thumb correspond to the arrow mark printed on the top of the pipette handle. Selected volume remains securely fixed by clickstop mechanism of the thumb knob. PTFE seal and O-ring eliminate the need for routine maintenance and lubrication.