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Thermo Scientific™ Finnpipette Stepper Pipette

Rapidly dispense up to 45 times in succession without refilling. This lightweight, easy to use repeater pipetter is designed for one-handed dispensing.

Manufacturer:  Thermo Scientific™ 4540000

Catalog No. 21-377-147



Rapidly dispense up to 45 times in succession without refilling. The Thermo Scientific™ Finnpipette™ Stepper Pipette is a lightweight, easy to use repeater pipette ergonomically designed for one-handed dispensing. Operating on the positive displacement principle, the Finnpipette Stepper is ideally suited for work with aggressive and viscous liquids.


  • Positive displacement design ensures accurate results, even for viscous, volatile, or other problematic liquids
  • Lightweight, ergonomic handle and wide finger rest minimize operator hand strain
  • Operation is simple—just attach the appropriate tip size, fill and prime the tip, and dial the selected volume
  • Volume is easy to set, with the aid of the convenient volume-setting chart located on the handle

Ordering Information:

Universal Stepper handle is also available with an eight-channel module. For convenient storage, pipetter stand is available (Cat. No. 9420290).


Unit comes with one adapter (nonsterile) necessary for use with 25 or 50mL tips.


Uses the Thermo Scientific Finntip™ Stepper tip, a plunger-style tip available in nonsterile or sterile (individually wrapped) form. This tip comes in seven sizes from 0.5 to 50mL, each with five different delivery volumes, for an overall dispensing range of 10 to 5000μL. Only the disposable tip comes in contact with the sample, eliminating the risk of contaminating the pipetter body.



Finnpipette Stepper Pipetter
Finnpipette™ Stepper
10 to 5000 μL

Limited warranty period: Subject to all warranty requirements and exclusions set out in our Terms and Conditions of Sale, this product is warranted from the date we ship the product and for ninety (90) days thereafter. Disclaimer to internal research use restriction: Any restrictions on the purchaser to utilize the product(s) for internal research purposes only does not apply to the product(s) on the web pages associated with this statement.