xTIP® Pipette Tips feature innovations beyond ergonomics. FlexFit®, X-Resin®, and Blade® technologies developed by Biotix are found exclusively in Biotix and xTIP® brand pipette tips. Biotix technologies minimize inaccuracies associated with the number one issue in pipetting, user error. These proven features are standard on all xTIP® Low Retention Pipette Tips, maximizing accuracy and precision.