An electric reciprocating saw is an electric tool that cuts with a reciprocating saw blade. It is a kind of chainsaw, which is generally composed of a casing, a motor, a transmission mechanism, a knife lifting mechanism, a saw blade, and a switch. An electric reciprocating saw is a power tool that cuts with a reciprocating saw blade. Electric reciprocating saws are used for sawing metal sheets, pipes, profiles or cutting bevels on steel pipes, as well as cutting cables or other non-metallic materials.