A Luffy metal keychain is a keychain featuring the character Monkey D. Luffy from the anime series One Piece. It appears there might be another mix-up in your question, as Luffy is a character from One Piece, not Naruto. However, I can provide you with information about a Luffy metal keychain.
The keychain is made of stainless steel with a chrome finish, giving it a durable and polished appearance. It is crafted from metal, ensuring its strength and longevity. The size of the keychain is around 4-5 cm, making it compact and convenient for attaching to your keys or other belongings.
Monkey D. Luffy is the main protagonist of the One Piece series created by Eiichiro Oda. He is a rubber-powered pirate captain who embarks on an adventure to find the legendary treasure known as One Piece and become the Pirate King. Luffy is known for his cheerful personality, love for adventure, and his ability to stretch his body like rubber due to consuming a Devil Fruit.
A Luffy metal keychain typically showcases Luffy's character design or may feature his iconic straw hat, which is a significant symbol in the series. It can be a great collectible item or a way to display your love for the One Piece series and the character Monkey D. Luffy.
The net quantity of the keychain is typically one, indicating that it comes as a single piece.