Achieve newfound confidence knowing that once attached, your tips are locked firmly in place, and will not loosen or fall off regardless of application pressure. Thermo ScientificTM ClipTipTM Pipette Tips provide a secure seal for every sample with a unique and innovative interlocking technology that ensures a complete seal on every channel with minimal tip attachment and ejection force. The innovative three interlocking clip design ensures the tip is held securely on the F1- and E1-ClipTipTM pipette systems until — and only until — it is released.