The SP-2 Smart MIG has two MIG torches that can be setup for two different base metals: Aluminum and Silicon Bronze or Steel. The shielding gas and weld program with the appropriate synergic curve automatically switch when pulling the trigger. The SP-2 is ideal for body shops welding stainless steel and aluminum. In synergic mode, the microprocessor controls optimal arc stability and weld quality. Welding can be done in continuous or pulse mode. Maximum power output of 200 A.