- Sterile, cotton-plugged, bagged
- N-51A borosilicate glass; color-coded, graduated scale
- Designed from ASTM Standard E-714
- Tolerances: 1 mL pipet, ±0.02 mL ; 2 mL pipet, ± 0.4 mL ; 5 mL pipet, ± 0.15 mL ; 10 mL pipet, ±0.30 mL
Calibrated to tip, for blow-out, 7536S55 pipet is ungraduated below 0.92 mL; 7536S55 has a black scale; remaining sizes have a blue scale. Markings are removed by acid dichromate cleaning solution.