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2 Devardi Glass Clear COE 33 Boro Tubes.
Lengths - 11 to 12 inches, 30mm x 3mm wall ( 1.18 inches x .12 inch wall )
Must use propane/oxygen Torch. Will not melt with propane only torch. Not to be mixed with COE 104 (soft glass)
Ends are not fire polished. May have minor jagged ends.
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Devardi Borosilicate High Quality Glass Tubes - COE 33 Can be mixed with other boro glass brands, but no guarantees are given. Please always test first. Not to be mixed with soft glass (COE 104).