Corning Pyrex 1L blunt tip cones are for use with heavy sediments, where ability to read small volumes is unimportant. The blunt tip increases its ruggedness and cleaning ease. Height: approximately 435mm. Top Inner Diameter: approximately 110mm. Graduation intervals: 0mL to 1mL in 0.1mL divisions; 1mL to 10mL in 0.5mL divisions; 10mL to 40mL in 1mL divisions. Also marked at 1000mL. Material: Borosilicate Glass Code 7740. (Case of 4). Corning #: 2180-439.