Accessories image resolution 
Gas nozzle High temperature resistance,corrosion resistance,Product appearance elegant, long service life. 
Contact tip Solid core copper rod, borehole directly integrated, no blocking by the silk, Good electrical conductivity, wear-resisting and durable. 
Contact tip holder High quality copper, professional equipment. Better ductility, thermal conductivity and corrosion resistance welding of processed red copper. 
Swan neck Smooth without burr, a integrateddurable1.Welding torch nozzle 2.Swan neck 3. Welding Torch Handle 4. Welding Torch Switch 5.Spring Support 6.Power Cable 7.Rear Connector
Tweco #4 MIG Gun/Torch 400A 12Ft - 3.6 Meter Xinfa welding products are known for producing premium quality welding gear and this spool gun is no exception which sets the industry standard for mig guns. This unit feels well-made and comes with a 12 month warranty and is specifically designed for heay industry. NOTE: Gun comes with standard plug. Plug may have to be changed depending on model of welder. 400 Amp Co2 @ 60% duty cycle 3.6 meter cable Tweco #4 Style Consumables Full range of spares available Front End Consumable List 14-23 Contact Tips 0.6mm 14-30 Contact Tips 0.8mm 14-35 Contact Tips 0.9mm 14-40 Contact Tips 1.0mm 14-45 Contact Tips 1.2mm 14-52 Contact Tips 1.3mm 14-116 Contact Tips 1.6mm 24A50 Tweco Nozzle (13mm Bore) 24A62 Tweco Nozzle (16mm Bore) 24A75 Tweco Nozzle (19mm Bore) 34A Tweco Insulator 54A Tweco Gas DiffuserThe welding torch diagram