Flasks Volumetric with Hollow Stopper Class - B, cap. 5ml, Hex. Hollow Stopper, borosilicate glass, Blue Printing-EIS-CH0440A

Borosilicate glass with one graduation mark, fitted with glass  Hexagonal Hollow stopper. As per DIN ISO 1042 standard. Capacity 5 ml, Tolerance   ±0.05 ml,  Socket  Size 10/19