Bernard 300 Amp MIG Nozzle / Shroud 4391 Conical - 2 Pack | Industrial, CNC, Metalworking & Manufacturing, Welding & Soldering Equipment Mig Mag Schweißgerät 300 A Bernard 300 Amp MIG Nozzle / Shroud 4391 Conical - 2 Pack Schutzgasdüse Für 300 Amp Schweißgerät Part number 4391. Hampdon Industrial Bernard Model Heavy Duty Insulated Tapered Nozzle Wide is a variety of standard slip-on nozzles to fit any application and is used with Q-Gun™ and S-Gun™ Series MIG Guns Neu, Brand: Bernard, MPN: 4391, Manufacturer Part Number: 4391, UPC: 9355457014065