Hobart 500521R 125 EZ Reconditioned A-Stock Handler Operator only needs to adjust a single knob for the thickness of mild steel to be welded and he's ready to weld Max output of 125 amps allows you to weld 18-Gauge up to 3/16-Inch steel with flux cored wire Built-in contactor eases use and is an excellent safety feature which makes wire electrically "cold" until trigger is pulled Durable feed head with quick-release drive roll tension lever provides positive feed with adjustable tension 50-Pound (22.7 kg)