LONGEVITY Forcecut 40D 40 Amp Pilot Arc Plasma Cutter Dual Voltage 110v/220v 40 amp plasma cutter capable of cutting 1/2" steel on 220v and 1/4" steel on 110v Allows for 110v 220v Operation with the switch of the power plug Cut all metals including aluminum much cleaner than the oxy-fuel torch Digital display and air adjustment on the front for fine tuning. Cost of operation is low with low price consumables. Uses compressed air from an air compressor. Dont forget to get extra tips.