Feature

●10 Devardi Glass Opaque Black 8mm COE 33 Boro Tubes.
●Lengths - 11 to 12 inches. 8mm OD
●Must use propane/oxygen Torch. Will not melt with propane only torch. Not to be mixed with COE 104 (soft glass)
●Please click the blue "Devardi Glass" above to see all our listings.


Description

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).