Introduction: the upgraded version of air-cooled electric knife is a high power, air cooling device and special hand held electric cutting tool. It is mainly used for cutting and slotting EPS, XPS foam insulation board in just a few seconds. It can make 250mm long blade heated enough to cut the temperature of the foam board. You can adjust the temperature knob to achieve convenient and effective cutting. Application: suitable for cutting EPS, XPS foam board for building wall, roof and ground insulation.