This new stylish family of adjustable pipettes comes in different flavors for each size: Grassy Green P2, Painted Pink P10, Plum Purple P20, Overt Orange P200, and Brilliant Blue P1000. All pipettes are lightweight (approximately 3 ounces) and can be calibrated. The handle design utilizes contoured finger molds and each pipettor is available in a short stem or long stem configuration. Each color of pipettor in the picture represents a different volume range.