Glass Pasteur pipettes with open an closed tip

In neutral soda glass, closed at the tip and with cotton in the mouth.
The opening of the closed part is simple, by lightly pressing with the fingers.
Open tip measurements:
Ø of the mouth: 6.95 ± 0.15 mm
Ø tip: 1.2 ± 0.15 mm
thickness: 0.53 ± 0.03 mm
Closed tip measurements:
Ø of the mouth: 7.0 mm
Ø of the tip: 1.4 to 1.6 mm
thickness: 0.50 mm