Correction pen with the pen-touch system which can correct easily by dabbing with a pen point. The discharge quantity of the liquid can be adjusted freely by pushing the barrel, so you can correct from small parts to wide surface speedily without any stress. The pen point part is designed as thin as possible, so you can see the target while correcting. It is designed with a bumpy ripple mark, so that it makes you easy to push. This design has not changed for more than 30 years from the first release.