Rubber Stopper, #00, 1-hole

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 #0 rubber stoppers are 13-17 mm diameter with one 3 mm diameter hole.

These #1 rubber stoppers are 14-19 mm diameter with one 5mm diameter hole.

These #3 rubber stoppers are 18-24 mm diameter with one 4 mm diameter hole.

These #00 rubber stoppers are 10-15 mm diameter.

These No. 2 rubber stoppers are 16-20 mm diameter with one 5 mm diameter hole.

Pack of two test tubes.

Pack of six test tubes.

These #5 rubber stoppers are 23-27 mm diameter with one 5mm diameter hole. No. 5 rubber stoppers fit Pyrex 125 ml Erlenmeyer flasks.

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