Hakko 373 Self Feeder is a device that helps the operator to concentrate on the soldering work. It has a power consumption of 6W. This device has a configurable solder feed and speed time that makes the soldering for the operator much easy. Also, the device can be connected to soldering iron to enable the solder feed. The operator can perform solder operations with one hand if using the tube unit. This device can be used with various soldering irons. In addition, the device also has an adjustable solder return function that reduces wastage of solder material.