Corks, No. 2, 10 pack

These No. 4 lab-grade corks fit our large 16 mm x 150 mm test tubes.

Diameter of 12-13 mm. Fits small test tubes.

These No. 6 lab-grade corks fit our extra-large 20 mm x 150 mm test tubes.

These large No. 9 lab-grade corks fit 1-2 liter plastic soda bottles.

Pack of two test tubes.

Pack of six test tubes.

You will always have the right size rubber stopper on hand with this 2 lb package of assorted solid, 1-hole and 2-hole stoppers ranging in size from #00 to #8. You get 60 stoppers total.

These No. 14 lab-grade corks fit Pyrex 250 ml flasks and most 500 ml flasks.

Get lab glass test tubes in three sizes: small, large & extra-large. The large and extra-large borosilicate test tubes comes in packs of two, while the small come in packs of six. Bulk pricing discounts apply for them all!

These aluminum weighing boats or weighing dishes have multiple lab uses.