Suitable for arc welding or for TIG welding (option) using scratch-start method. Automatic Arc-Force circuitry makes the unit suitable for arc welding a wide variety of rods including rutile, basic and stainless from 1.6mm up to 3.2mm. Also includes thermal cut out and mains voltage LEDs. Fitted with Hot-Start system to counter electrode sticking during scratch starting. Supplied in carry-case with 10mm arc welding accessory kit (Model No. INV/10) and shoulder strap. Also suitable for TIG welding with optional TIG accessory kit.Optional TIG Accessory Kit Model No: INV/TIG