4000 Series Arc Gouging Torch The 4000 Series Carbon Arc Gouging Torch's ergonomic design and durable materials make industrial arc gouging safer and more comfortable. Fits a Wide Range of Industrial Applications Operates at currents from 90 to 1000 amps. Supports air pressures at 40-100 psi. Compatible with pointed electrode diameters 5/32" - 1/2". Compatible with flat electrode diameters up to 5/8". . Ergonomic Design 360° Swivel Cable to reduce strain. Over-molded handle design to improve grip and reduce hand fatigue. . . Enhanced Safety Enclosed connection housing that securely prevents accidental contact with high-voltage connections. .