This 5mL Class A graduated cylinder is made from heavy-duty borosilicate 3.3 glass with blue printed graduations and 0.1mL subdivisions. The Class A tolerance is ±0.05mL per DIN EN ISO 4788 standards. The cylinder features a round base for stability and a spout for easy pouring. The cylinder stands 4.5 inches tall with a 1.5-inch base width and a 14mm outer body diameter. The borosilicate glass is autoclavable with heat tolerances including a Strain Point of 515°C, Annealing Point of 565°C, and Softening Point of 820°C. Calibrated to contain.