The Thermos Scientific Finnpipette F1 set of 4 includes pipettes with adjustable volumes ranging from 0.2 to 2uL, 2 to 20uL, 10 to 100uL, and 0.5 to 5mL. Made by Thermos Scientific in the United States, these pipettes are designed for precise and accurate measurements in various laboratory settings, making them essential tools for research and medical applications. The Finnpipette F1 set provides a versatile range of volume adjustments, ensuring accurate dispensing of fluids for a wide range of scientific and medical research applications.