Home / Chinese Boro Color / Cobalt 5 (dark cobalt) 7mm Rod Cobalt 5 (dark cobalt) 7mm Rod Manufacturer: Chinese Glass Manufacturers SKU: CH-R-5-7MM Price: $8.95 — Out of Stock Cobalt blue is a classic color for your glass blowing projects. Works well in a neutral to oxidizing flame. Related Products Opaque Black 7mm Rod Amber 25 x 4mm Tubing Green 7mm Rod Lake Green 32 x 4mm Tubing Cobalt Blue 25 x 4mm Tubing Transparent Pink 25 x 4mm Tubing Green 25 x 4mm Tubing Charcoal (Transparent Black) 25 x 4mm Tubing
