Bel-art f28461-2000 holdfast polypropylene graduated cylinder, 2000ml capacity, 20ml graduation this one-piece cylinder with handle provides a secure, solid grip for safer pouring. It has an easy-to-read double scale with raised graduations, and a hexagonal base to prevent tipping and rolling. Made of polypropylene, it will not create a meniscus. Handle opening is 8.9 x 2.9cm (3 x 1-1/8″). Chemically resistant and autoclavable at 121c (250f).