Description The Lincoln Electric LE31MP MIG Wire Nozzle replacement part is compatible with a variety of gun brands and features copper construction. This nozzle is to be used for all of your MIG welding projects. Don't let worn nozzles or contact tips slow down your project.To be used when MIG weldingMagnum Pro is used on many Lincoln Electric industrial machinesTo be used with the Lincoln Electric LE31MP machineExtended nozzle life to lower overall operational costsAnti-seize threads makes replacement easierHelps shielding gas more effectively prevent porosityBottle neck shaped MIG nozzle