The Resanta SAI-220A inverter welding machine is suitable for welding metal structures up to 5 mm thick, using a direct current and coated electrode. The adjustable welding current ranges from 10 to 220 amps, allowing for smooth welds and precise operation. This model is one of the most efficient, with an excellent balance of size and power. It is easy to use and does not require any special knowledge, makingitanidealchoice for beginners. The wide shoulder strapmakesitcomfortable to carry,whetheryou’re at homeor onthe jobsite.