These Student Graduated Cylinders meet ASTM E-1272 Class B, Type I Specifications for Classification and Tolerances. These cylinders are made of two parts: a strong, accurate glass graduate and a detachable, sturdy plastic hexagonal base that absorbs impacts and reduces breakage. All cylinders feature protective hexagonal bumper guards.

Plastic Base and Protective Hexagonal Bumper Guard

Product Dimensions: GR: 1.4 – 25 mL, GI: 0.2 mL, Calibrated "To Contain"