... asheat, meson, vertical pulling, spot welding, flatten, waveform line,stud, OT type washer andtriangle washer.l Digital LCD displays operation cases clearly ... Max. Current4000 AOne-side Welding Thickness0.5+0.5MMVacuum Sunction150KGTime Regulation System0-99ms, Time Setting AvailablePower cable length2100+1700 MM GEC145 Welding Machine/inverter welding machine