Chinese Color Cobalt Blue - 12mm x 2.2mm Tubing Half 2 ft Tube Half 2 ft Tube 12 x 2.2mm
Cobalt 5 is a darker cobalt. Works well in a neutral to oxidizing flame. 10 mm diameter.
Cobalt 5 is a darker cobalt. Works well in a neutral to oxidizing flame. 10 mm diameter.