"Go Mai" (五枚) literally means "five layers" or "five sheets". It is a combination of go (the number five) and -mai (the counter for flat, thin objects like paper, plates, or metal)., consisting of a hard, high-carbon steel core sandwiched between two cladding layers on each side, often featuring a nickel interlayer to prevent carbon migration. The technique offers superior edge retention and toughness compared to traditional three-layer (San Mai) techniques, often with a distinct visual contrast. Blade Material: High Carbon Go Mai, Mild steel outer, pure nickel shims, 1084 center Blade: 185mm - 55mm Heel Handle: 135mm Handle: Snakewood with brass bolster Please note: This is NOT a stainless steel knife and can rust if proper care is not taken, care instructions included The buyer represents that he or she is over the age of 18 and that the products ordered will be used in a lawful manner. Derelict Knives does not sell knives to those under 18 years of age.