These are very popular knives that combine low cost and high quality steel. Dojo knives are made by Hayashi knife company. The blade is tempered to Rc62. The knife is clad with Aogami Super steel core surrounded by stainless steel to provide protection and durability.
Hayashi Factory has 120 years history of metal goods manufacturing in Ono-City, Japan. The 2nd generation started knife manufacturing in late 1920s. Today Hayashi factory is run by the 3rd generation succeeding his father's and grandfather's metal working technology.