The Lincoln tig welder Precision Tig 225 Description: 5-230 amps is the widest welding range in its class; Patented Micro-Start II Technology delivers extremely stable low amperage starting, welding and cratering for AC and DC welding; FREE TIG Pulser – results in reduced warping and burnthrough on thin materials and improved appearance; Excellent Stick Welder – even with Fleetweld 5P (E6010); AC Auto Balance automatically sets the optimal cleaning vs. penetration levels for great looking aluminum welds