A Luffy Gear 5 metal keychain is a keychain featuring the character Monkey D. Luffy in his Gear 5 form from the anime and manga series One Piece.
If you're a fan of Monkey D. Luffy and the One Piece series, you can still find various official merchandise featuring Luffy in his iconic forms, such as Gear Second, Gear Third, or Gear Fourth. These keychains are often made of stainless steel with a chrome finish, crafted from metal, and sized around 4-5 cm. They serve as collectible items or a way to display your love for the series and the character Monkey D. Luffy.