Description GRIFFIN, LOW FORM, DOUBLE SCALE, GRADUATED Beakers meet ASTM E-960 Type I Specifications for Classification, Design, Capacity, Dimensions and Markings.These beakers feature easy pour spouts, white, permanent graduations and large marking squares. Made from high-quality borosilicate tubing with a low coefficient of expansion. Borosilicate tubing also provides uniform wall thickness resulting in the optimum balance between thermal shock resistance and mechanical strength. All beakers have double-graduated metric scales. Accuracy: ±5% of full capacity. Capacity: 20ml Graduation Range: 5 to 15ml Graduation Interval: 5ml Approx. O.D. x Height: 32mmx45mm Quantity: Pack of 12