FEIFANKE 55A Plasma Cutter, Heavy Duty HF Non Touch Pilot ARC Plasma Cutting Machine, Clean Cut 1/2'', Max Cut Up To 3/4", Plasma Cutter Welder For Aluminum Stainless Steel Iron Carbon Steel Copper 【Non-Touch Pilot Arc Function】The FEIFANKE FKC-550H 55A 110V/220V high frequency plasma cutter uses non-touch pilot arc technology to extend consumable life. It delivers smooth and precise cuts, making it ideal for thin metals and aluminum. When cutting corroded or irregular metals, it improves cut quality, reduces sparks, and enhances safety 【LED Digital Display for Real-time Monitoring】The LED digital display screen on the plasma cutting machine provides real-time monitoring of key parameters such as voltage, current, and air pressure, helping welders to understand the welder status in time.