Mig 240 Starter Kit: Mig 240 w/ Synergic Mode, Flow Meter Gauge, Weld Wire .030 (STEEL), 11# spool, 0.6 & 0.8 roller, 0.8 & 1.0 roller, Liner, Accessory Box, 0.6mm tip, 0.8mm tip. The M240 with Synergic Mode is a single-phase MIG welder designed for welding steel. The machine determines the optimum wire speed by selecting the type of wire, wire diameter, and welding current. Memory save feature for each torch and activation of the ‘last used’ welding parameters (wire diameter, wire type, and mode) are automatically saved.