Use a sharpener experienced with Japanese convex edges
よくあるご質問
How does the Premium Cobalt Sword differ from the regular Juntetsu Sword?
The Premium Cobalt Sword uses ATS-314 cobalt steel rather than ATS-314 alone, offering improved edge retention and a wider size range starting from 5.5 inches.
What sizes are available for the Juntetsu Premium Cobalt Sword?
It is available in 5.5, 6.0, 6.5, and 7.0 inch sizes, covering both salon hairdressing and barbering work.