ProPette™ LE 12-Channel Pipette, 30 to 300ul, Cat. No.: MTC-P5212-300, Adjustable with Roto-Lock™,Light weight with reduced forces,Full volume range (30µL-300µL), Superior accuracy and reproducibility,Outstanding user comfort. Ideal for all 96 well applications, the new Propette™ LE Multi-Channel Pipettes are light weight, rugged, and stand up to the demands of everyday use in a busy laboratory environment. Five overlapping volume options are optimized for maximum precision throughout the 1 to 300µL usable range.