1.autoclavable pipette. 2.Rugged construction,one-hand volume adjustment. 3,Variable volume pipette,highest precision. 1.Adjustable single channel pipette. ... resistant piston and ejector for durability4.Easy, one-handed volume setting for right-or left-handed users5.Easy Calibration ... technology provides calibration adjustments without tools6.Volume 0.1-2.5μl, 0.5-10μl ...