Pipette Serological class 'A' 2.0ml, Black, Blue Printing-EIS-CH0573B offers a thoughtfully designed, durable resource for hands-on learning. Serological pipette made of high quality, heavy duty Borosilicate 3.3 glass. 2ml capacity, 0.02ml blue graduation lines, marked every 0.2ml. Class A, tolerance, ±0.010ml . Calibrated for delivery to jet. Pipette measures 14.25" in length, and has a body diameter of 0.3". Top has an inner diameter of 3.5mm and an outer diameter of 8mm. Autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks. Eisco Labs Borosilicate glass has the following heat tolerances: Strain Point -515°C | Annealing Point 565°C | Softening Point 820°C.