The Hatsukokuro Kurogane series is hand forged in Tosa from Blue #2 core steel laminated in iron cladding rated at 62-63HRC. The blade had a kurouchi blacksmith finish with natural texture from forging. These have a slightly more robust geometry and recommended for people looking for a slightly tougher carbon steel blade. These are fitted with an octagonal bubinga handle.
Edge length: 171mm
Height at heel: 47.9mm
Spine thickness above heel: 2.9mm
Weight: 152g