With spouts and strengthened rim with flare trimmed back that offer optimum balance between thermal shock resistance and mechanical strength �¡With pouring spout �¡Extra-large marking spot �¡Dual white scale �¡10 to 50mL sizes suitable for microanalysis �¡10mL size is not graduated �¡250 through 4000mL capacity beakers have double graduated metric scale Sold by individual beaker. Case contains 12 beakers