mig welding rod 1.gas/gasless welding,overload,thermal protection for transformer 2.controllable for wire fee mig welding rodbenefits:1.gas/gasless welding2.overload,thermal protection for transformer3.controllable for wire feed speed,fan cooled for better performance.4.with accessories: mig torch,earth clamp,helmet,brush& hammer,welding cable,contact tips. mig welding