33 COE Rod Black Lightning

33 COE borosilicate glass rod by Northstar

NS-100 Black Lightning is a very dense black with silver. It can yield a mirror-like blue metallic finish, or if over-reduced, an organic earthy tone.

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

Length: Approximately 20" (51cm)

Rods sold by approx 1/4 lb