Jumbo Test Tubes with Cork Stoppers

High quality laboratory grade borosilicate glass test tubes in the hard-to-find jumbo size.  41mm size is shown in the image.  These are nice heavy test tubes sold with matching solid cork stoppers, great for all kinds of storage and display use.

For the Metrically Challenged:

30mm x 200mm = 1.25 in. x 8 in.

41mm x 225mm = 1.5 in. x 9 in.