Heavy-duty insulators, lever, and handle that are all made from fiberglass reinforced thermoset polyester molding compound to withstand the heat and be impact resistant. Forged one-piece brass alloy body machined to close tolerances on the valve and head seat. Head assembly machined from copper alloy having four air holes optimizing the air flow to the arc. Balanced to pivot at the center of the handle for ease of use for all gouging positions, and thereby reduces operator fatigue. Lever spring rated at 146 lbs. per inch providing excellent clamping pressure on the air carbon-arc electrode.