The competition culminated in 1966-67 with two legendary models still made today: Mitsubishi's Hi-Uni and Tombow's MONO 100. "The ideal pencil would have '6B blackness with 9H hardness ...
The two companies have few competing products between them. Mitsubishi Pencil, known for its uni brand ballpoint pens, pencils and erasers, offers products mostly priced under 1,000 yen ($6.63).