... speed 2)smooth cutting surface 3)advanced MOSFET tech. 4)fan cooled Feature:1)High cutting speed, smooth cutting surface, ... technology.4)Good arc-starting and strong arc force, fan cooled.5)With overheat protection, over-voltage protection & over-current protection ... aluminium, copper, cast iron, carbon steel etc.8)Supplied complete with cutting torch, earth clamp, face mask, welding brush. ModelCUT- ...