Rubber Stopper, #6.5, solid

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 #6.5 rubber stoppers are 27-34 mm diameter with one 5 mm diameter hole.

These 500 ml HST Erlenmeyer flasks are made of high-quality borosilicate glass that can be heated directly in an open flame.

These 250 ml glass Erlenmeyer flasks can be heated directly in an open flame. Essential for chemistry labs!

These #0 rubber stoppers are 13-17 mm diameter. #0 rubber stoppers fit large test tubes.

These #5 rubber stoppers are 23-27 mm diameter.

These #3 rubber stoppers are 18-24 mm diameter. #3 rubber stoppers fit liter soda bottles.

Pack of two test tubes.

These #8 rubber stoppers are 33-41 mm diameter.

These # 6.5 rubber stoppers are 27-34 mm diameter with two 5 mm diameter holes.