Corning Pyrex 1000-1L Glass 1 Liter Graduated Low Form Griffin Beaker, 50mL Graduation Interval, with Double Scale (Pack of 6) 1L low form Pyrex Griffin beaker with spout, double scale, graduated Convenient double graduated metric scale for estimating content Graduation range: 50-1000mL; graduation interval: 50mL. Height: 158mm (approx); outer diameter: 108mm (approx) Extra large marking spot