... gas diffuser2.Accessory of welding torches.3.Different series and specifications of welding swan necks are available in our company ... etc. Including complete torch, nozzle, contact tip, tip holder, gas diffuser swan neck, insulator ,steel liner, rear handle, cable...... ... torch head, back cap, cup gasket, collet, collet body, gas lens body, cable fittings,alumina nozzle, power carble adapters, switch ...