The Fūma Shuriken used in the Shadow Shuriken Technique
- Name: Fūma Shuriken (風魔手裏剣, literally meaning: Demon Wind Shuriken)
- Users: Fūma clan, Sasuke Uchiha, Naruto Uzumaki
- Debut (Anime): Naruto Episode 8
- Debut (Manga): Chapter 14
A giant, four-bladed shuriken possessing pre-eminent sharpness and lethality. This type of shuriken is considered characteristic to the famous Fūma clan, after whom they were named and who possibly developed them. However, their use is not limited to this clan. Its four blades can be collapsed for easy storage, leading to its nickname Shadow Windmill (影風車, Kage Fūsha). In Sasuke's battle with Itachi he has shown the ability to disconnect the four blades and have them fire four different angles as a surprise attack.