•Uniform wall thickness •Large marking spot •Spout Standard Griffin Beakers with spout, manufactured with uniform wall thickness, offer optimum balance between thermal shock resistance and mechanical strength. For convenience, the 250 through 4000 mL beakers have a double graduated metric scale to indicate approximate content. All sizes have an extra large marking spot. Assortment pack consists of one of each: 50 mL, 100 mL, 250 mL, 600 mL, and 1 L. Reference: ASTM E-960.