Automatic Hand-Held Internal Heating Electric Soldering Iron 110V/220V 60W US/EU900M series soldering iron tip, fast heating, durable, easy to replace. Natural mica heating core, heating up fast, long life, can be replaced, easily assembled and dismantled. High quality ABS plastic shell, holding comfort, long term operation will not fatigue. Tin wire scaffold can be disassembled, easy to use. With power switch, more energy efficient and safer. Power cord is soft, can be bent, more durable. Internal heating soldering gun. It can