ONiLABMini Fixed Volume Pipette Manual Single Channel Pipettor, Laboratory Micro Pipette ，Micropipette Volume 50μl Orange

Quality pipettes. Holds up well to use, but does not have a "blow out" position. My testing showed that the:200 pipette delivered 201.6 +/- 5.3 microliters100 pipette delivered 101.8 +/- 1.6 microliters50 pipette delivered 53.2 +/- 2.5 microliters30 pipette delivered 29.5 +/- 2.1 microliters20 pipette delivered 18.4 +/- 1.8 microliters10 pipette delivered 8.7 +/- 1.1 microlitersPleased with performance - have ordered more

The volume is accurate and the fixed volume makes it easy for students to learn with. There is only one stop at about 1-3mm of depression which feels strange, but intro to biology students don't know the difference. The students had fun loading gels with them and so far they have held up!