1. 10 Devardi Glass Clear COE 33 Boro Tubes.
2. Lengths - 11 to 12 inches, 8mm OD x 1.5mm Wall, 12mm x 1.5mm, 18mm x 2.5mm
3. Must use propane/oxygen Torch. Will not melt with propane only torch. Not to be mixed with COE 104 (soft glass)

  Thanks very much.