... reliable plasma cutter 2 Low cost,small plasma cutter 3 PWM plasma cutter 4 Can cut stainless steel, titanium, iron,aluminu pasma cutter Function ... Features High cutting speed which is several times of conventional cutter. Low cost.PWM regulating technic. High inversion frequency. ... smooth cutting edge. No need to re-process.Durable cutter. Low loss.Adopting contact arc cutting technology for CUT30 ...