Sasuke Uchiha's Kusanagi Sword in the Naruto series is depicted with the following characteristics:

1. Blade: The blade of the Kusanagi Sword is straight and single-edged. It is typically portrayed as silver or steel gray in color. The blade has a sharp edge and is designed for precise and swift strikes.
2. Length: The sword's length can vary in different depictions, but it is generally depicted as medium to long-length, typically reaching Sasuke's height or slightly shorter.
3. Handguard: The Kusanagi Sword has a circular handguard, known as a tsuba, which is situated between the blade and the hilt. The tsuba serves as a protective guard for the wielder's hand.
4. Hilt and Wrappings: The hilt of the Kusanagi Sword is often depicted with a bandaged or wrapped appearance, giving it a distinct aesthetic. The bandages provide grip and support to the wielder during combat.
5. Overall Design: The Kusanagi Sword has a sleek and elegant design, resembling a traditional Japanese sword. It incorporates elements commonly seen in katana or tachi swords, but with some unique stylistic features specific to Sasuke's weapon.

It's worth noting that the visual representation of the Kusanagi Sword may have slight variations across different adaptations, artists, and scenes within the Naruto series.