Rainin Classic™ is the ergonomic evolution of classic-type universal fit pipettes. With unmatched precision and durability, they are the pipetting standard. Lighter springs for reduced fatigue and a fingerhook to rest the hand between pipetting cycles. Silicone shock absorber in tip ejector for reduced thumb impact. Low drag seals. This model is ideal for life science applications using a variety of sample volumes. For use with conical tips.