SOFT & FLEXIBLE TIPS - Can reduce force needed to attach and eject, significantly lower the risk of repetitive stress injury (RSI). BETTER SEAL - Work in perfect combination with the pipettes of our brand, ensure higher accuracy and precision. LONG & NARROW TIPS - Can reach the base of narrow and long vessels without touching the vessel edge. LOW RETENTION TECHNOLOGY - Minimize liquid retention, enable minimum sample loss and optimal sample yielded. AUTOCLAVABLE & DISPOSABLE - Tips fully autoclavable, at 121oC for 20 min. Original, high-quality Four E's Scientific disposable pipette tips at an attractive price, no need to worry about when 960pcs tips runs out.