Lot of Kontes USA Pyrex ST Penny Head Glass Stoppers

Description

Lot of 8 Kontes USA Pyrex ST Penny Head Glass Stopper.
Stoppers can be used with laboratory glassware such as flasks, mixing cylinders and separatory funnels. Solid glass with exception of #27 & #32; these are hollow.
Includes:
Kontes ST #9
Kontes ST #13
Kontes ST #19
Unbranded Stopper 45
Kontes ST #22
Kontes ST #27 (Hollow)
Kontes ST #32 (Hollow)
Pyrex ST #32
Preowned and some are vintage.
Please note we do our best to describe all items to the best of our knowledge, however we are not experts in any field. Photos are taken at the time of posting and are to be considered as part of the description. Please reach out to us with any questions before biding or purchasing.
We thank you for your business!
-The JB Team