Electric wire needle shape, the use of stainless steel wire, hardness and diameter of only 0.19mm.
The heat effect can reach more than 100 degrees, cut along the smooth and clean. Any point to start cutting, and foam flat, straight, inverted can be cut. Arc, curve arbitrary cutting.
Smooth facet surface, neat.
Can cut the thickness of about 30mm, cut the depth of about 120mm.
Need to bring their own two batteries on the 2nd as a power supply.