The Tsunehisa Ginsan Deba 180mm is a heavy-duty traditional Japanese knife from Tosa, Japan. Featuring a Ginsan (Silver #3) stainless steel core with a migaki finish, this knife is designed for fish butchery and breaking down whole fish. Its sturdy single-bevel edge and substantial spine thickness make it well-suited for heavy-duty cutting tasks.
Hand-forged in Tosa, Japan for the Tsunehisa brand
Deba: Heavy-duty traditional knife designed for fish butchery and breaking down whole fish
178mm (7.0") cutting edge length
Ginsan (Silver #3) stainless steel core from Hitachi Metals, Ltd.
Traditional octagonal magnolia handle with buffalo horn ferrule
Right-handed single bevel design
Polished choil and spine finishing exceeding expectations for its class
Ideal for both home cooks and professional chefs
Excellent for fish butchery, breaking down poultry, and heavy-duty tasks
Low-maintenance stainless steel suitable for busy professional kitchens
About the Brand
Tsunehisa is a knife brand founded by Shibata Takayuki, who also established Kotetsu and Masakage. The brand partners with skilled craftsmen from Japan's most celebrated knife-making regions, including Seki and Tosa, to source its high-quality blades. Tsunehisa emphasizes practicality and reliability, creating well-crafted knives that deliver exceptional value for discerning cooks.
Handle: Octagonal magnolia with buffalo horn ferrule
Hand Orientation: Right-handed
Saya/Sheath: Not included
Notes
For the care and maintenance of Japanese knives, such as this 180mm Tsunehisa Ginsan Deba knife, please refer to our care guide below.
Slight measurement variations are common in Japanese kitchen knives.
Small surface finish variations in knives are normal.
Pricing & Taxes
We do not charge Japanese consumption tax. Same price worldwide. Please refer to our FAQ #12
Shipping & Returns
• Worldwide shipping from Tokyo via EMS/DHL • Ships within 24-48 hours • Online tracking included • 30-day returns on unused items Details
Care Guide
• Use whetstones for sharpening • Use wooden or rubber cutting boards • Keep clean and dry to prevent rust • Avoid cutting bones or frozen foods • Hand wash only - no dishwasher View Complete Care Guide