Longevity ForceCut 42i 40-Amp Plasma Cutter Auto-Voltage 40 amp plasma cutter capable of cutting up to 1" thick Steel on 220v and 3/8" on 110v. Features auto-air regulation and water separation 110/220 voltage comes with adapter to take machine from 220v to 110v quickly with the snap of a plug Very light weight and portable at only 37 lbs and comes with a carrying strap Continuous Pilot Arc enables you to cut expanded, rusted, painted metals Cost of operation is low with low price consumables. Uses compressed air from an air compressor. Don't forget to get extra tips