The MIG Nozzle Tweco Style 200-400 AMP is engineered for high-efficiency welding, suitable for MIG guns operating up to 400 amps. With a 1/2" inner diameter, this adjustable nozzle ensures optimal gas flow and improved arc stability, making it ideal for various industrial applications. Constructed from durable materials, it withstands the rigors of heavy-duty use while providing consistent performance and reliability. Perfect for professional welders seeking quality and versatility in their welding equipment.