Lincoln Power MIG 215 MPi Aluminum One Pak K4877 1 Aluminum Welding Kit The MK Products Python LX 9SS31941 The MK Products Python LX Miller Compatible Water Cooled Push Pull Gun 50FT 400A 10 Pin – 273 850 is a water cooled push pull MIG welding gun that combines the robust engineering of the Python with the practical design of the Cobra MX to deliver reliable performance and superior operator control at increased duty cycles The industrial grade assembly provides consistent performance and long service life in demanding welding environments The comprehensive memory capability allows frequently used parameter configurations to be saved and quickly recalled with particular emphasis on aluminum MIG welding through included specialized accessories