Blade (刀身): Forged from manganese steel, this blade is renowned for its high resistance to impact and wear, essential qualities for rigorous practice. Manganese steel guarantees a precise cutting edge and increased strength, features paramount to the precision and durability expected by martial arts practitioners.

Guard (Tsuba 鍔): The zinc alloy Tsuba combines functionality thanks to its lightness with ornamental beauty. Zinc alloy is known for its strength and resistance to corrosion, ensuring that the guard remains both a central aesthetic element and a solid protector for the user's hands.

Scabbard (Saya 鞘): The lightweight lacquered wood Saya is chosen for its ease of transport and handling, without sacrificing durability. The lacquer provides a protective coating against the elements, while the vivid green brushstrokes on the black background reflect a lively spirit, encapsulating the katana's name, Kakki, meaning vitality.

Handle (Tsuka 柄): Wrapped in synthetic stingray leather, the Tsuka offers a contemporary twist on traditional stingray skin. This material ensures reliable grip and long-lasting wear, suitable for intensive use. Combined with the zinc alloy Menuki and two bamboo Mekugi, the handle is both aesthetically pleasing and structurally sound.