This stirring rods are 1/2" in Diameter, for use when melting and stirring. These rods are thicker diameter size for larger amounts of metal. Stir your precious metals, scrap metals, while melting.
The carbon rod is used when melting metals with Torch, in Gas or Electric Melting Furnaces. Rod is used for stirring the molten metal in order to get a good homogenous mix of the alloys in Gold, Silver, Brass.