Masamoto KS Series Hon Kasumi Small Deba - White Steel No.2 for Small Fish Filleting & Butchering

Masamoto Sohonten KS Series Hon Kasumi Small Deba

Master the art of precision fish butchery with the Masamoto Sohonten KS Series Small Deba. Part of Masamoto's legendary premium line, this traditional single-bevel Japanese knife is specifically engineered for filleting, deboning, and butterflying small to medium fish with absolute ease.
Handcrafted through the rigorous Hon Kasumi process, it combines the unmatched sharpness of Hitachi White Steel No.2 with professional-grade balance, making it an indispensable tool for both professional chefs and passionate home cooks.

Key Features

• Premium White Steel No.2 (HRC 62-63): Forged from ultra-pure Hitachi Shiro-ko #2 and forge-welded with soft iron. It achieves a razor-sharp, laser-like edge that boasts incredible edge retention while remaining remarkably easy to resharpen.
  
• Exquisite Hon Kasumi Craftsmanship: Every blade undergoes additional meticulously controlled stages of forging, quenching, hand-sharpening, and mirror-polishing by Tokyo's finest master craftsmen.
  
• The Perfect "Small-Deba" (Ko-Deba): Optimized with a thick spine and hefty weight to glide through small saltwater and freshwater fish (like trout or mackerel) without damaging the delicate flesh.
  
• Traditional D-Shape Wa-Handle: Crafted from lightweight, comfortable magnolia wood and secured with a premium natural water buffalo horn ferrule—the ergonomic choice of professional Japanese chefs.
  

Specifications & Available Sizes

• Origin: Made in Japan
  
• Blade Type: Single-Bevel (Right-Handed)
  
• Blade Material: Hitachi White Carbon Steel No.2 (Shiro-ko)
  
• Hardness: Rockwell C 62-63 (HRC)
  
• Handle Material: Natural Magnolia Wood with Water Buffalo Horn Ferrule
  

Deba 105mm (4.1")

• Total Length: 250mm
  
• Blade Thickness: 2.9mm
  
• Blade Width: 39mm
  
• Total Weight: 80g
  

Deba 120mm (4.7")

• Total Length: 255mm
  
• Blade Thickness: 5.4mm
  
• Blade Width: 43mm
  
• Total Weight: 130g
  

Deba 135mm (5.3")

• Total Length: 280mm
  
• Blade Thickness: 6.2mm
  
• Blade Width: 44mm
  
• Total Weight: 170g
  

Maintenance Note: This knife is made of high-carbon steel (not stainless). To prevent rust, always wash, wipe completely dry, and apply a thin layer of knife oil after each use.