ESAB Tradestig Dual 151i is a versatile inverter-based power source designed for both TIG and MMA welding methods. It offers precise welding current and slope down time control, making it ideal for a wide range of welding applications. The unit features a built-in gas solenoid and post-purge time control for TIG welding. With its non-contact TIG arc ignition system and 2/4 stroke torch switch modes, it provides user-friendly operation. The 151i also comes equipped with a 14-pin remote control socket for added convenience.