10 Borosilicate 12mm Mixed Colors 12 Inch Tubes, Devardi Glass Boro Tubing, Coe 33

10 Devardi Glass 12mm Boro Tubes, Random Mixed Colors. COE 33. Lengths – 11 to 12 inches. Transparent Amber, Colbalt Blue, Purple, Green, Clear, Pink, Teal, Yellow & Opaque Black. Colors may vary a bit depending on inventory. Must use propane/oxygen Torch. Will not melt with propane only torch. Not to be mixed with COE 104 (soft glass) Ends not fire polished. May have minor jagged ends. Thanks so much for considering this product. 10 Borosilicate 12mm Mixed Colors 12 Inch Tubes, Devardi Glass Boro Tubing, Coe 33