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Tosa Kajiya Aogami A2/S Damascus 165mm Kiritsuke
Description
A hand-forged 165mm kiritsuke that wears its craft on its sleeve: a swirling Damascus pattern flows over a rugged kurouchi finish, while the clipped tip and generous heel height offer laser-like draw cuts and confident push chops. The Blue Paper No. 2 core takes a screaming-sharp edge, and the lightweight octagonal chestnut handle keeps fatigue at bay during long prep sessions.
Damascus series by Tsutomu Kajiwara celebrates three generations of Tosa smelting and hammer work. Each blade is forged entirely by hand, folded into 33 alternating layers of soft iron and hardened, then ground to a thin 50/50 edge that glides through fish, vegetables, and proteins alike.
Tosa Kajiya 土佐鍛冶屋 is a tiny family workshop in Kochi Prefecture. By keeping production small, the Kajiwara family preserves a 50-year tradition of “wild” finishes and uncompromising sharpness that has made Tosa knives cult favorites among chefs and collectors.
梶原 努 (Tsutomu Kajiwara) apprenticed under his father and grandfather before taking the anvil himself. Known for his muscular hammer pattern, he pairs high-hardness Blue Paper No. 2 with resilient cladding to create blades that cut like lasers yet shrug off daily rigors.
Kiritsuke 切付 combines the long, flat edge of a gyuto with the piercing tip of a yanagiba, creating a versatile hybrid knife. The sword-like k-tip excels at precision work and push-cutting, while the flat belly handles chopping and slicing with ease, making it a true all-rounder for chefs who want one knife to do it all.
San Mai 三枚 means "three layers" — a hard cutting core sandwiched between two softer outer layers. This traditional construction protects the delicate edge from shock while adding toughness and simplifying maintenance, so you can enjoy the performance of high-carbon steel worry-free.
Aogami A2/S 青紙 (Blue Paper No. 2) is essentially white carbon steel enhanced with chromium and tungsten for added toughness. With 1.05 – 1.15% carbon plus tungsten (1 – 1.5%) and chromium (0.2 – 0.5%), this very hard Hitachi steel delivers exceptional edge retention and fine grain structure. Takes a razor-keen edge, sharpens effortlessly on whetstones, and rewards proper care—hand wash, dry immediately—with decades of superior performance.
Additional details
- Brand: Tosa Kajiya
- Knifeline: Damascus
- Craftsman: Tsutomu Kajiwara
- Origin (Made in): Kochi Prefecture, Japan
- Blade Type: Kiritsuke
- Blade Construction: San Mai
- Blade Finish: Kurouchi Damascus
- Hagane (Core Steel): Aogami A2/S (Blue Paper No. 2)
- Jigane (Cladding): 33-Layer Soft Iron Damascus
- Edge/Bevel: Double (50/50)
- Handle Type: Wa (Japanese)
- Handle Material: Chestnut
- Handle Kuchiwa:
- Handle Length:
- Blade Length: 165mm
- Blade Height:
- Spine Thickness:
- Rockwell Hardness: ≈63
- Weight:
- Brand: Tosa Kajiya
- Knifeline: Damascus
- Craftsman: Tsutomu Kajiwara
- Origin (Made in): Kochi Prefecture, Japan
- Blade Type: Kiritsuke
- Blade Construction: San Mai
- Blade Finish: Kurouchi Damascus
- Hagane (Core Steel): Aogami A2/S (Blue Paper No. 2)
- Jigane (Cladding): 33-Layer Soft Iron Damascus
- Edge/Bevel: Double (50/50)
- Handle Type: Wa (Japanese)
- Handle Material: Chestnut
- Handle Kuchiwa:
- Handle Length:
- Blade Length: 165mm
- Blade Height:
- Spine Thickness:
- Rockwell Hardness: ≈63
- Weight:
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