Safety Pack Measuring Cylinder Set, Class A, ASTM, made of high quality, heavy duty, Material: Borosilicate 3.3 Glass, 3 piece set includes 50, 100 and 250 ml cap, removable, plastic protective collar and hexagonal base, thick walls provide excellent strength
Graduated Cylinder, Material: Polypropylene, Industrial, Octagonal Bases for stable use, US Sourced Plastic, Autoclavable polypropylene plastic allows for easy cleaning and sterilization, Class B tolerances, Calibrated to contain, manufactured with the highest grade, Size: 500ml