Lincoln Electric S23978-4 Gas Nozzle Magnum Welding Equipment Copper NOS S239784,Copper NOS S239784 Lincoln Electric S23978-4 Gas Nozzle Magnum Welding Equipment, Material: Copper,Type: Gas Nozzle, Equipment Copper NOS S239784 Lincoln Electric S23978-4 Gas Nozzle Magnum Welding.