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Oni Katana 

The Oni is a folded L6 / Bainite katana with 29" performance geometry blade and a 14" tsuka.  Black iron fittings have a oni (demon) theme. Black lacquered saya and black same / silk ito.  The menuki follow the Oni (japanese demon) motif.

Bainite is a structure of high-carbon steel that combines great strength with excellent flexibility and shock absorption characteristics. It has been known as an exemplary Katana blade component for a number of years but its use has been restricted to a few top-class master smiths, due to the difficulties involved in performing the exacting heat treatment procedures necessary for the production of a Bainite blade body in combination with the very hard Martensite Yakiba (edge section) required for Katana blades.

Hanwei has now mastered this difficult process, using billets of L-6 tool steel (a very tough high-carbon low-alloy steel) as a starting point. Blades are forged and shaped in the normal way, then carefully heat treated to achieve the required Bainite and Martensite structures before final polishing.

  • Made by Hanwei Forge
  • Fully functional live blade Shinken Katana "real sword"
  • L6/Bainite Blade
  • Traditional Construction
  • High Quality Koshirae
  • This katana is hand made and each is unique - size and weight will vary
  • Blade length: 29"
  • Handle length: 14"
  • Overall length: 44"
  • Weight: 3lb
  • Differentially tempered
  • Designed for Martial Artists
  • Half price sharpening and maintenance for life
  • Free Shipping (continental US only)
  • 90 day money back guarantee
  • Folded Katana Price List
  • Detailed size and weight for all shinken

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We do not sell weapons to anyone under the age of 18 without permission and consent of a parent or legal guardian. These are real weapons and not toys. They are very sharp and should always be treated with care. Be careful to never put yourself or anyone else in danger.  Nihonzashi LLC, its employees, and associated companies are not responsible for any injury, damage or loss incurred by use or miss-use of any merchandise sold on this site. It is the purchasers responsibility to comply to local, state and federal laws and/or statutes. Purchase of merchandise implies agreement and compliance to the above.

  • FREE Shipping on any purchase over $150 (continental USA only, excludes Alaska and Hawaii)
  • INTERNATIONAL customers click here for shipping quotes and payments
  • 90 day money back guarantee (see details)
  • Lifetime 1/2 Price Sharpening and Repair on any Shinken or Iaito Katana
  • All shinken are shipped double boxed and insured