WeldingCity 5 Gas Nozzles 4491 3/4" Brass for Bernard Q/S 400-600A MIG Welding Guns Premium quality Bernard style MIG nozzle 4491 3/4" for Bernard Q/S MIG guns. Brass nozzle, 3/4", for use with 7400/1500 series contact tips and 4435/4635 gas diffuser. You get Five (5) gas nozzles 4491 at this price. We use U.S. Postal Service (USPS) as main carrier. Please provide a USPS deliverable address.