Size 00 - Neoprene Stopper w/ Hole, Top 15mm, Bottom 10mm, 25mm Length
Ratings & Reviews
1 review
Good for Blowtubes
by Matt J -
I use 14mm for Blow-tubes but 12mm works well also. These can also help hold the air in to help the glass keep shape. Careful not to heat an enclosed vessel as it could explode.