The Mechanical Stepper is an easy-to-use, positive displacement pipettor that allows for the rapid multi-dispensing of preset volumes up to 48 times in succession without refilling. The lightweight yet robust construction allows for single-handed, ambidextrous use. The maintenance-free design offers compatibility with a wide range of dispenser tip and syringe tip brands. The device is ideal for dispensing aqueous and viscous liquids. Each unit is supplied complete with an adapter for 25 and 50mL syringe tips.