WeldingCity 2 Gas Nozzles 24A-50-SS 24A-50SS 1/2" for Lincoln Magnum and Tweco MIG Welding Guns Premium quality Lincoln/Tweco style MIG gas nozzles 24A-50-SS, 1/2" orifice, short stop, slip-on. Work with nozzle insulator 34A in Lincoln Magnum 300/400 and Tweco #2-#4 MIG guns or equivalent guns. You get Two (2) gas nozzles 24A-50-SS at this price. We use U.S. Postal Service (USPS) as main carrier. Please provide a USPS deliverable address.