Electric jig saw can be used in cutting/sawing irregular curves on wood, steel, plastic and other materials, through reciprocating saw blade. Install a special saw blade, it can be used to cut metal. Install a saber, it can be used to saw profiles, cast iron pipes, concrete pipes, etc. To some extent, jig saw can perform the functions of band saw, scrolling saw, and even circular saw. It is a common power tools in professional woodworking, industrial production and commercial processing.