It is a perfectly straight long sword that is finely decorated, as well as the hilt. It has a green hilt and a straight edged tsuba and a grey scabbard.
The exact properties of the sword are unknown, but its user T Bone is able to use it to create flying slash attacks and kill a Sea King with ease. He is also renowned for cutting ships giving him the epithet the "Ship Cutter".
In the anime, it gives off blue streaks of light or energy when swung.
- Chokkaku Senko: Bone Soir (直角閃光 ボーン
空割Chokkaku Senkō Bōn Sowāru?, literally "Right Angle Flash: Bone Sky Division"): T Bone first makes a right angle cut in the air with his sword, and then swings it, sending a rectangular cut forward. This makes a clean, rectangular cut on whatever it hits. In the Viz Manga and FUNimation dub, this is called Right Angle Flash: Bone Soir. The name of this technique is a pun on T Bone's name and French for "good evening," bon soir.
- Chokkaku Hicho: Bone Odori (直角飛鳥 ボーン
大鳥Chokkaku Hichō Bōn Ōdorī?, literally "Right Angle Flying Bird: Bone Large Bird"): T Bone slashes the air and propels a beam-shaped cut at the enemy. The cut is able to bounce off the air on sharp angular turns, and appears with a bird shaped head at the front of the cut. In the Viz Manga, this is called Right Angle Flying Bird Bone: Bird of Prey, and in the FUNimation dub, it is called Right Angle Flying Bird: Bone Phoenix. The name is a pun on the "Bon Odori", or Bon Festival.
Water 7 Arc
T Bone wielded this sword while on the Sea Train to Enies Lobby. He used it to attack Sanji, Usopp, and Franky. He later used it to attack Rocket Man to prevent it from catching up, but the blade was destroyed by Zoro's Gyuki: Yuzume.
- Vivre Card - One Piece Visual Dictionary (Card #0399), Information about T Bone is revealed.
- One Piece Manga and Anime — Vol. 39 Chapter 371 (p. 11-18) and Episode 260, T Bone kills a Sea King and starts running along the track by himself before encountering the Rocket Man.
- One Piece Manga and Anime — Vol. 39 Chapter 368 (p. 8-9) and Episode 258, T Bone uses this technique against Sanji, Franky, and Sogeking to cut clean the door Sogeking closed.
- One Piece Manga and Anime — Vol. 39 Chapter 371 (p. 15-16) and Episode 261, T Bone uses this technique against Zoro before being defeated by him.
- One Piece Manga and Anime — Vol. 39 Chapter 371 (p. 15-16) and Episode 261, Zoro defeats T Bone and destroys Bamboo's blade.
- One Piece Manga and Anime — Vol. 54 Chapter 524 and Episode 421, T Bone is seen gathering alongside his fellow Marines.