33 COE Rod Cobalt Blue

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 approx 1/4 lb