Use this stopper to:
· Plug the 3/8” rubber grommet in a bucket lid (after removing airlock)
· Plug the 3/8” drilled hole in a larger drilled rubber stopper (after removing airlock)
· Plug the 3/8” drilled hole in a Buon Vino stopper (after removing airlock)
· Plug the top of a 3/8” test tube
SPECIFICATIONS:
Length: 7/8” (21 mm)
Top (wide part): 1/2" (13 mm)
Bottom (narrow part): 11/32” (9 mm)
Material: Food grade rubber