... .8 times higher in cutting speed compare with the same cutting machine. 2.Suit for cutting stainless steel, copper, ... iron and aluminum metal etc., Simple operation, smooth cutting surface.3.MOSFET inverter and precision constant current feedback control ... filter regulator, gas hose, Earth Lead, PT-31 Plasma Torch, consumables as followsAccessories12 Tips12 Electrodes7 Cups7 Rings1 Air Filter ...