This Masamoto santoku knife measures 180mm or 7" on the blade. Masamoto knives have a history of producing quality cutlery for over 150 years and is the leading sushi chef knife maker name in Japan. For over 150 years Masamoto has been the #1 kitchen knives manufacturer in Japan.
According to the passage, Tomonosuke (1st generation) who founded Masamoto was born in 1845 and he devoted all his life (47 years) learning and making kitchen knives. His goal was to become the best and to be remembered for his dedication to his craft. His goal has become a reality. Through 5 generations of making kitchen knives Masamoto has become the leading brand of high end commercial sushi knives in Japan.