Vintage Glass Rods are from about 2007 to 2008. Arrow Springs Kugler was 104 glass made just for Arrow Springs. I recently found a box of old colors from when I moved. Most rods are 20 inches. Some are 16 inches. Inventory is very limited! Color Chart from Arrow Springs.
Coefficient of Expansion (COE): 104
Annealing range: 920 - 970º F
Strain Point: 840º F
Softening point: 1030º F
Working Temperature: 1400º F















