Size 000 - Neoprene Stopper w/ Hole - 12.7mm tapering to 8.2mm
Green neoprene rubber stoppers have better aging characteristics than those of natural black rubber bottle stoppers and are resistant to oils, solvents, ozones and many hydrocarbons. The serviceable temperature range is from -40°F to +212°F. Neoprene rubber stoppers with 4mm hole to fit 1/4" swivel, 1" long.
Ratings & Reviews
by Matt J -
The hole is kind of small, pushing a swivel in was hard. But it seems to work and their nicely priced. Keep in mind the larger the ID of the tube is the smaller of a stopper you might need for a good fit.