These 3mL round-tipped PYREX volumetric pipets with fire-polished tops and tips are manufactured to Class A capacity tolerances as indicated by ASTM E-969. The rugged construction with color-coded enamel graduations and markings provide a pipet which will give good life and service. Non-sterile. Material: Borosilicate Glass Code 7800. Capacity: 3mL. Pipet Style: Volumetric. Tip Shape: Round. Feature: Reusable. Tolerance: +/- 0.01mL. Tolerance Class: Class A. Color Code: Black. Length: 356mm. Corning#: 7100-3.