Mixing cylinders 10ml, with hexagonal base SILBERBRAND-ETERNA, short ring division, brown graduated, Borosilicate 3.3 pack of 2

Silberbrand Eterna. Class B. To DIN EN ISO 4788.
With PP stoppers and hexagonal foot. Graduations and inscriptions in Eterna amber stain. Calibrated to contain (IN). Height given is overall height without stopper