Borosilicate glass, reusable.

• Legend of permanent brown stain
• Marked with large numerals on the bulb indicating capacity
• Colour-coding (ASTM E1273) facilitates sorting and selection
• Unserialised

These pipettes are calibrated To Contain (TC) and To Deliver (TD). The TC (to contain) feature of this pipette accommodates use with viscous liquids, where the entire contents are washed out. Calibrated 'to contain' (bottom line) and 'to deliver' (top line) to Class A tolerances.