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Adjustable Post Flow (power plasma only) control up to 60 seconds to improve consumable and torch life. Front air pressure adjustment makes adjusting pressure easy and painless. ( PowerPlasma only) Front air pressure gauge allows quick verification of air pressure. Over Current and Air Pressure light indicators keep you updated on your units operating condition 50AMP 120/220Volt 50/60Hz Plasma Cutter. Cuts 3/8-Inch to 1-Inch