It is a normal katana with a bright yellow handle and a brass octagonal-shaped guard with two square notches on opposite sides.
- Shikai: Its Shikai command is "Crush" (打っ潰せ, buttsubuse). In its Shikai, Gegetsuburi transforms into an oversized spiked ball attached to a long chain, similar to a flail, allowing for it to be thrown at a distant target. The chain is attached to the hilt of the sword. Gegetsuburi is a melee-type Zanpakutō.