Globe Scientific's nonsterile transfer pipettes are designed for measurements, these pipettes feature molded-in graduation marks that will never fade or wash off. Transfer pipettes are packaged in a dispenser box. This convenient box is small and compact and works well for bench-top use. The hinged front panel opens for quick access to the pipettes and can be closed when not in use to keep the contents clean. - 3 mL pipette with 0.25 mL graduations up to 1 mL. Small bulb has a bulb draw of 2.2 mL.. Total length is 140 millimeters.. Stem diameter is 4.4 millimeters; tip diameter is 2.4 millimeters.. Made from a custom grade of low-density polyethylene (LDPE), these unbreakable one-piece pipettes are used to draw and dispense liquids in controlled, reproducible drop sizes..