CAUTION
:
Sharp cut
Borosilicate
glass
is
the
type
of glass can stand in heat
.
11- 12 inch Long Pyrex Glass Blowing Tubes 5 Piece 12 mm OD 8mm ID 2mm thick wall . EDGE MAYBE SHARP
NOT fire polished
.
open
in both sides . may have variance 0.1 -0.2 in thickness .
Shipping : one business day .
We use a USPS as a shipping carrier with tracking number provide
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