Finntip stepper tips have been designed specifically for use with the Finnpipette stepper pipetter. The Finntip stepper is a plungerstyle tip for positive displacement pipetting. Seven sizes are available in sterile or nonsterile (non-autoclavable) versions. Dispensing Volume: 25, 50, 75, 100, 125µL. Certifications: ISO 9001 and ISO 14001. 100/Box. Thermo Scientific #: 9404180.