120mm Cu-Mai Nakiri | Handmade Kitchen Knives
Hand forged in the U.K. by Korben

Cu-Mai Nakiri

Your Investment

£548.00

Tax included. Shipping calculated at checkout.

What's Included

  • One of a kind handmade knife
  • Presentation box
  • Microfiber cloth
Lifetime Guarantee

The guarantee of a handmade product is that of the maker's logo - a mark both displaying, and creating a reputation for high quality work. Any issues will be made right. We're always happy to maintain, sharpen, or refinish your knife.

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Knife display stand
Knife display stand £45.00
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KWB Iron-Guard
KWB Iron-Guard £50.00
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KWB Sharpening System
KWB Sharpening System £195.00
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The story behind this knife

A compact, lightning-bolt of culinary art designed to bring absolute precision and theatrical style to your daily prep work.

Handle detail
One of one. Never to be repeated.
"There is a distinct joy in using a highly specialized tool for small, intricate tasks. With this 120mm piece, I wanted to take the flat-profile functionality of a Japanese Nakiri and shrink it down into a nimble, utility-sized package. Forging copper into high-carbon 80CrV2 steel is an intense, volatile process, but the reward is a stark, theatrical line of fire running across a deeply dark, acid-etched blade."
Korben Bloomfield
Features & Details

120mm Mini-Nakiri Profile: A unique fusion that delivers the flat-edge board contact of a traditional vegetable cleaver with the laser-like agility and speed of a small utility or petty knife.

Stunning Cu-Mai Construction: A highly complex five-layer forge weld (Cu-Mai translates to 'Copper San-Mai'). It sandwiches a glowing, vibrant layer of pure copper between the rugged outer cladding and the high-performance cutting core.

Deep Etched 80CrV2 Core: The reliable, high-toughness 80CrV2 carbon steel core has been deeply etched to a matte, dark finish, making the bright copper line pop like a flash of lightning.

KWB Iron-Guard Ceramic Coating: The entire blade is sealed with our KWB Iron-Guard ceramic coating, locking in the dramatic dark etch and protecting the carbon steel from oxidation.

Thin Semi-Convex Edge: Ground precisely to a thin, semi-convex geometry. This gives the compact blade surprising food-release properties and allows it to effortlessly sail through shallots, garlic, and small herbs without wedging.

Premium Figured Burl Handle: A highly detailed, heavily eyed stabilized burl handle that balances the dark, aggressive aesthetic of the blade with organic, golden luxury.

Specifications
  • 80crv2 carbon steel with copper.
  • 120mm - 4.75” blade length.
  • 50mm - 2“ tall at the heel.
  • Weighs 175g - 0.39lb.
  • ~61hrc.
  • 'Special black' finish.
  • Take-down handle build.
  • Stabilised burl Oak handle.
  • KWB-Iron-Guard coating.
  • Thin semi-convex edge.
Shipping & Delivery

UK orders are dispatched within 1–2 working days via Royal Mail Special Delivery (Age Verified). International shipping available — calculated at checkout.

All knives are carefully packaged to arrive in perfect condition.

Care & Maintenance

Hand wash after use and dry thoroughly.

Full care guide →

Forging process

The Making of This Knife

Controlling the Melt: The Challenge of Copper
Forging with copper is one of the most stressful yet rewarding disciplines in custom bladesmithing. Copper melts at a significantly lower temperature than steel. If the forge gets just a fraction too hot during the laminating process, the copper will liquefy and run out of the billet, destroying days of work.

To create this 120mm piece, the heat cycles had to be managed with absolute surgical precision. Once successfully bonded, the next challenge was scaling the geometry down. Because a mini-Nakiri is small, every millimetre of the grind matters. We executed a thin, semi-convex edge that maximizes cutting performance while beautifully exposing the wavy path of the copper layer.

To preserve this dramatic contrast, the blade was given a dark acid etch and immediately sealed with our KWB Iron-Guard ceramic coating. The result is a compact, artistic powerhouse that excels at precision board work, prep tasks, and garnishes, while completely stealing the spotlight in any knife collection.