33 COE borosillicate glass rod by Northstar.
NS-001 Of the four shades of cobalt blue Northstar produces, this ranks as the second lightest. NS-01 is well suited for small blown work, as well as sculpture when a medium transparent blue is desired. NS-01 Cobalt Blue can take a lot of heat and can be worked in a wide range of flame settings.
Diameter: 3/16" - 5/16" (5mm-8mm)
Length: Approximately 20" (51cm)
Rods sold by 1/4 lb
*Please note: our totals may vary slightly. We charge for exact weight shipped and will try to ship exactly what you order, but the weight may vary slightly.