33 COE borosillicate glass rod by Momka's Glass.
MB102 Carmen Red is a brilliant rich red that works easily and is stable. It can loose intensity if it is over heated. Carmen Red needs to be worked in an oxidizing flame. Good in all applications and is very good for inside-out work.
Diameter: 3/16" - 5/16" (5mm-8mm)
Length: Approximately 20" (51cm)
Sold by the rod.