Folded steel, hand-forged differentially hardened KATANA ''Kusanaji''. These are the technical specifications:

• Sugata (Blade style):
  • Hand-forged curved blade with narrow Hi (groove) on both sides which ends by the middle of the blade and a wider Hi that ends 31 cm from the Habaki. The blade is sharp on both sides from this point onwards. The blade spine is iori-mune, the edge is without Niku (cutting sharp blade).

• Folded Steel (C45, C105W- USA: Steel 1095). The hardness of its Mune is ca 43° and the Ha (blade edge) is ca 60° HRC Rockwell 13 times folded to achieve ca. 8192 layers. Traditional clay-wrapping technique for differential hardening. There are beautiful hada (grain in steel, pattern of folding the steel) in the blade.
• Dimensions:
  • Nagasa (blade length): ca. 71 cm / 28 inch.
  • Sori (curvature): ca.1.52 cm / 0,6 inch.
  • Moto-Kasane (Thickness at base): ca. 8 mm/ 0.31 inch.
  • Saki-Haba (width at tip): ca. 25 mm / 0.95 inch.
  • Moto-Haba (width at base): ca. 32 mm / 1.26 inch.
  • Balance point (measured from Habaki): ca.12 cm / 4.72 inch.
  • Nakago (tongue) with Mei (inscription) according to the tradition: WKC and year of production

KOSHIRAE

• Kashira (Cap):
  • Beautifully carved and with a special design. Carbon steel (C45). Browned.
• Tsuka (Grip):
  • Wood grip, adapted to the tongue. Length ca. 26,5 cm.
• Tsuka-ito (handle wrap):
  • Pure silk. Tight.
• Samé:
  • Real white ray skin.
• 2 Menuki:
  • Brass, hand-polished, gold-plated. Dragonfly shape. One on each side, traditional mounting of Menuki.
• Habaki:
  • Brass. Made in 1 piece.
• Seppa:
  • Copper.
• 2 Mekugi:
  • Bamboo wood, based upon the traditional method to seat the pins. The 2 mekugi-ana are drilled diagonal and conical into the tongue. The mekugi are fitted from opposite side.
• Tsuba (Guard):
  • Hand-polished browned carbon steel with special design.
• Saya (Scabbard):
  • Selected wood. Black lacquered. Curved according to the Sori. The Koi-guchi (mouth piece) is made of buffalo horn. Saya with kurikata and 2 shitodome to hold the Obi.
• Sageo:
  • Black (cord used for tying the Saya to the Obi - knob on the Saya).
• Weight:
  • ca. 1 030 gr. (36.33 oz) without saya.
  • ca. 1 370 gr. (48.32 oz) with saya.
• Included Accessories:
  • Soft protective cloth bag with nice colourful embroidery.