Momka 046 Green Envy Rod 33 COE borosilicate glass rod by Momka's Glass. 

MB046 Green Envy is a very rich transparent green that develops faint wispy blue under strong oxidizing flame. Neutral flame to surface color tends to opacify while interior color surfaces develop a range of colors from tan to blue. Careful not to reduce, it will give an opaque red to exposed surfaces.

Diameter: 3/16" - 5/16" (5mm-8mm)

Length: Approximately 20" (51cm)

Sold by 1/4lb