The Matweld MIG Swan Neck BNZ40 (SN-5006E) is a precision conductor tube designed for MIG welding torches, guiding wire feed smoothly from the feeder to the gun contact tip. Built with brass construction for superior electrical conductivity and durability under high-amperage welding conditions, this swan neck is essential for consistent arc quality and reduced wire feed resistance. Ideal for professional welders, fabrication shops, and industrial production environments requiring reliable MIG torch components.