For a 50 mL Pyrex graduated pipette, several high-precision options are available from Corning, ranging from reusable volumetric styles to specialized “shorty” serological versions. 

Key Specifications

• Material: Made from borosilicate glass for high thermal and chemical resistance.
• Accuracy Classes:
  • Class A: Highest accuracy, often required for analytical work.
  • Class B: Generally has twice the allowed error of Class A.