Northstar Onyx Rod
Northstar's Borosilicate ONYX is a smooth, saturated Black Rod. Onyx can be worked hot and long without boiling issues and it is not sensitive to reduction. For best results keep it in a neutral flame. This is First Quality Glass Rod approx. 7mm in Diameter with a 20"Length. All colors shown after being flameworked.
This item is available by the pound (LB), 1/2 lb., or the Piece (PC).