HMP Water Cooled 400 is medium weight water cooled Reversible Angle Head Torch. It is designed for general T.I.G. application, having rated capacity to carry current upto 400 Amps DC or 300 Amps AC. All parts accept the torch head and hose assembly are interchangeable with HMP Water Cooled 200. The torch is suitable for holding Tungsten electrodes upto 5 mm (3/16”) diameter.