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Butterfly knife with flame design on a scenic background

Closed butterfly knife with red and black flame design

Diagram of Demon Slayer Rengoku butterfly knife with dimensions

Close-up of butterfly knife handle with flame design

Hand holding a butterfly knife with flame design

Blade of butterfly knife with red flame pattern

Select color (required): White

Struck-through colors are temporarily out of stock

Demon Slayer Rengoku Butterfly Knife 440C Tanto Blade

$24.99

Back Order - Expected Arrival : 08/01/2026

#49 VB6928

440C STAINLESS BLADE: Premium tanto-style blade with bold red flame etchings and kanji inscriptions
ANIME DESIGN HANDLE: Rengoku-inspired white, black, and red flame pattern handle panels
SMOOTH BUTTERFLY ACTION: Precision pivot hardware delivers effortless, satisfying balisong flipping
IMPRESSIVE DIMENSIONS: 9" overall length with a 4" blade for a powerful, commanding presence
COLLECTOR'S SHOWPIECE: Striking Demon Slayer-themed design perfect for anime fans and collectors

Quantity

Demon Slayer Rengoku Butterfly Knife 440C Tanto Blade

Note this product cannot ship to the following states: CA, NY

440C STAINLESS BLADE: Premium tanto-style blade with bold red flame etchings and kanji inscriptions
ANIME DESIGN HANDLE: Rengoku-inspired white, black, and red flame pattern handle panels
SMOOTH BUTTERFLY ACTION: Precision pivot hardware delivers effortless, satisfying balisong flipping
IMPRESSIVE DIMENSIONS: 9" overall length with a 4" blade for a powerful, commanding presence
COLLECTOR'S SHOWPIECE: Striking Demon Slayer-themed design perfect for anime fans and collectors

Select color (required): White

Struck-through colors are temporarily out of stock

$24.99

Rengoku Butterfly Knife

Channel the blazing spirit of Flame Hashira Rengoku with this Demon Slayer-inspired 440C stainless steel butterfly knife, featuring dramatic red flame blade etchings and an iconic anime design handle.

440C Stainless Steel Blade

Anime Flame Design Handle

Smooth Butterfly Action

9" Overall Length

Explore Features

Forged in Flames

Every detail of this butterfly knife pays tribute to the legendary Flame Hashira — from the black-and-red blade to the boldly patterned anime handles.

Anime Blade Butterfly knife with flame design on a scenic background

Butterfly knife with flame design on a scenic background

440C Stainless Steel Blade

Premium 440C stainless steel construction for a durable, sharp edge
Black tanto-style blade with bold red flame etchings along the spine
Kanji inscriptions on the flat for authentic anime-inspired detail

Handle Detail Close-up of butterfly knife handle with flame design

Close-up of butterfly knife handle with flame design

Anime Design Handle

White and black flame-pattern panels inspired by Rengoku's uniform
Vivid red accents on bolsters and hardware for bold visual impact
Durable handle construction built for repeated flipping and display

Smooth Action Diagram of Demon Slayer Rengoku butterfly knife with dimensions

Diagram of Demon Slayer Rengoku butterfly knife with dimensions

Smooth Butterfly Action

Precision pivot hardware enables effortless, smooth balisong flipping
9" overall open length with a 4" blade for a commanding presence
Perfect for collectors, anime fans, and balisong enthusiasts alike

9" Overall Length

At 9 inches open with a 4-inch 440C stainless steel blade, this Rengoku butterfly knife is a commanding collectible that looks as fierce as the Flame Hashira himself.