Harris Welding Wire 1 8" – 5 lb 4" 20" Double Jackbar Type along with dry contact relay K4856 4 FM 45 along with dry contact relay outputs and normally open output capabilities The MK Products Python LX Miller Compatible Water Cooled Push Pull Gun 25FT 400A 10 Pin – 273 825 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 irons and air fuel torches It is not recommended in high stress or vibration joints in the cooling industry due to lack of sufficient elongation properties