Cylinder, Large Capacity, 2000mL, Polypropylene, Graduated. The handle on the Holdfast™ graduated cylinder makes pouring safer and more convenient. The handle is generously sized for large hands but with a slender enough grip for smaller hands. Hand opening is 3 1/2 x 1 1/8. Cylinders have a double scale and hex base for stability. Steam autoclavable at 121 C.