Snap-on Muscle MIG Welders, the MM250SL and MM140SL, not only have high amperage ratings, but also feature an exceptionally high duty cycle, meaning that you can get the welding job done much more quickly and efficiently. Both welders have numerous heat adjustments and wire settings allowing for a wide range of capability, control and consistency at both low and high temperatures. Tune in to see the details of these high output welders, only from Snap-on.