Product description Diameter: 9/32" (7mm); Length: 14" (355mm)Contain a precise formulated blend of carbon and graphiteAll purpose Copperclad pointed gouging electrodeControlled copper coating improves electrical conductivity (for more efficient, cooler operation)Air carbon gouging electrodes are designed for cutting and gouging metals such as carbon steel, stainless steel, copper, aluminum, and some high temperature alloys.
eBay