Feature●1 lb Devardi Glass Boro Rods, Very Dark Blue COE 33●10 - 12 inches long. 8mm thick rods. About 12 rods.●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 Rods - 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).