The GiantTech ARC160 Arc Welder is a serious arc welding machine for the craftsman and professional both. The ARC160 is a portable MOSFET inverter weighing just 19 pounds. The ARC160 Arc Welder is the ideal tool for those in the metal fabrication and construction industries where machine portability is crucial. The ARC160 Arc Welder has an adjustable cutting current between 10A and 160A. All MOSFET power transistors are manufactured by either FUJI or TOSHIBA of Japan, chosen for their reliability and longevity in the toughest of environments. With a 3 year parts and labor warranty to back your purchase you will enjoy many years of reliable welding operations.