This polisher can be operated by even beginner due to light weight & code-less, and used for
the polishing the rust or low temperature filler metal at the stem of rail.
This device are applicable for both of 50N rail and 60k rail.
No clogging, less sparks and long life because this polisher apply the special diamond disc.
No worry about scattering of grindstone.
No special training is needed for operations such as grinding stone replacement (free grinding).
Low noise because operated by battery, not by generator.