Set of 4 ultra-light mechanical pipettes: 0.1-2.5µL, 0.5-10µL, 10-100µL and 100-1000uL. Features a spring loaded tip cone for minimal tip attachment forces which help to reduce stress and fatigue on your hand and arm. Fully autoclavable to ensure decontamination. Includes epT.I.P.S. Box or sample bag and ballpoint pen.