1)Compared to oxyacetylene cutting, the cutting speed is quicker 1.8 times. 2)Quick and convenient cutting for thick steel plate. 3)Applicable to many metal materials, such as stainless steel, copper, cast iron and aluminum etc. 4)Simple operation and neat & smooth cutting edge. 5)Contactless cutting by starting arc (100/125) 6)Touch cutting by starting arc (40/60).