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5" Utility Knife - Yi Series (B27) - Xinzuo Australia
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5" Utility Knife - Yi Series (B27)

5.0 Stars (2 reviews)

The 5" Yi utility knife fills the gap between your paring knife and your chef's knife. The blade that handles everything in between — sandwich tomatoes, citrus, small onions, sausages, cheese, and trimming jobs too big for a paring knife and too fiddly for a chef's. A 67-layer Damascus blade over a 10Cr15CoMoV core, ground to a 15° edge, set in a triple-riveted rosewood handle.

$85.95

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5" Utility Knife - Yi Series (B27)

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Detail Icon 1

15° Per Side

Fine Slicing Edge

Detail Icon 2

60±2 HRC

67-Layer Damascus

Detail Icon 3

Full Tang

Rosewood Handle

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DESCRIPTION

Reach for this when a job is too fiddly for the chef knife but too big for the paring knife. Peeling kiwifruit, halving cherry tomatoes, trimming silverskin off a pork tenderloin, deveining prawns on the board: the 5-inch blade has enough length to do real work without the chef knife's bulk getting in the way. It's the knife that fills the gap you didn't know you had.

The Right Size for the In-Between Jobs

A utility knife doesn't rock-chop and it doesn't peel in-hand. It works on the board for the medium-scale prep that doesn't need an 8-inch blade looming over it. Slicing an apple into wedges without bruising the flesh is a good example. So is running the tip along a prawn's back or shaving a capsicum into thin strips: you'll do all of those cleaner with a narrower, shorter blade. The 5-inch length lets you control exactly where the tip goes.

Same Damascus Build as the Rest of the Yi Series

The core is 10Cr15CoMoV high-carbon stainless steel, wrapped in 67 layers of Damascus and vacuum heat-treated to 60-62 HRC. The edge holds on light repetitive work, the kind of thing that dulls a softer blade quickly. The rosewood handle is triple-riveted with full-tang construction, so the balance point sits where your fingers are rather than tipping into the blade on a lighter knife.

Specifications

  • Blade Steel: 67-layer Damascus with 10Cr15CoMoV core
  • Hardness: 60-62 HRC (Vacuum Heat Treated)
  • Blade Profile: 5-inch utility knife
  • Handle: Rosewood with triple-rivet full tang
  • Use: Peeling small fruits, halving cherry tomatoes, deveining prawns, and trimming silverskin where a chef knife is too much blade.
  • Series: Yi Series (B27)
  • Model: B27-WY

Complete Your Set

Pair it with the Yi Series 8.5" Chef Knife for board work on larger produce and proteins, and the 3.5" Paring Knife for the truly small in-hand jobs where even this 5-incher is more knife than you need.

READY TO GIFT

All our knives arrive in a beautiful, premium gift box that's ready to impress. (Whether it's for a very lucky cook, or just for you.)

THE NERDY BITS
  • Blade length: 5.0 in / 130 mm
  • Blade material: 67-layer Damascus steel with 10Cr15CoMoV core
  • Cladding: 316/316L stainless Damascus (66 outer layers)
  • Hardness: 60±2 HRC
  • Edge: 15° per side (12-15°), double bevel
  • Spine thickness: 2.0 mm
  • Heat treatment: vacuum heat treatment and deep freeze
  • Tang: full tang
  • Handle: rosewood, triple-riveted (one mosaic rivet)
  • Net weight: 115 g
  • Country of origin: China (Yangjiang, Guangdong)
  • Care: hand wash only, not dishwasher safe
  • Warranty: lifetime against manufacturing defects
The In-Between Knife You Reach For Daily

Yi Series — B27

The In-Between Knife You Reach For Daily

Most knife blocks have a hole right here. A paring knife is too small for a tomato; a chef's knife is too much for a sausage or a bread roll. The 5" utility solves it. Light at 115g, nimble, and sharp enough to glide through skin without crushing. The Yi series is the everyday workhorse Damascus — proper 67-layer construction over a hardened 10Cr15CoMoV core, at a price that makes it the knife you actually use, not the one you save for special occasions.

Add to cart — $85.95

In stock. Ships from Australia. Hand-wash only.

Built For The Jobs In The Middle

Why A Utility Knife

Built For The Jobs In The Middle

Short enough to control, long enough to slice. The 130mm blade clears a sandwich tomato in a single pass, breaks down small produce, and trims meat without the bulk of a full chef's knife. The thin 2.0mm spine and 15° edge mean it parts skin and rind cleanly instead of tearing. This is the knife that earns its keep between the paring knife and the chef's.

  • 130mm blade
  • 115g light
  • 2.0mm spine
  • Slices
  • trims
  • breaks down
67-Layer Damascus Over A Hardened Core

Steel & Edge

67-Layer Damascus Over A Hardened Core

The cutting core is 10Cr15CoMoV, hardened to 60±2 HRC through vacuum heat treatment and a deep-freeze cycle that stabilises the steel and helps the edge hold. Around it, 66 layers of stainless Damascus cladding give the blade its flowing pattern and corrosion resistance. Ground to 12-15° per side as a double bevel, it takes a fine edge and parts soft skins cleanly.

Specification

The details.

TypeUtility Knife
Blade length130mm
Spine2.0mm
Weight115g
Steel10Cr15CoMoV
Cladding67-layer Damascus
Hardness60±2 HRC
Edge angle15° (12-15 per side)
ConstructionFull Tang
HandleRosewood
Made inChina (Yangjiang, Guangdong)

Hand-wash only — not dishwasher safe.

In The Hand

Rosewood, Triple-Riveted, Full Tang

The full-tang blade runs the length of a contoured rosewood handle, locked with three rivets — one a specially selected mosaic rivet. Full tang puts weight back toward your grip for control on fine work. At 115g the knife stays nimble for the small, repeated cuts a utility knife is built for. Hand wash only.

The difference

Why this knife

Xinzuo Yi 5" Utility

  • 67-layer Damascus over 10Cr15CoMoV core
  • 60±2 HRC, vacuum + deep-freeze treated
  • 15° fine slicing edge
  • Full-tang rosewood handle, triple-riveted
  • Lifetime warranty against manufacturing defects

Generic utility knife

  • Single-piece stamped stainless, no cladding
  • Softer steel, dulls faster
  • Thicker factory edge that tears skins
  • Partial tang, moulded plastic handle
  • Short or no warranty

In the box

Everything it comes with.

  • 5" Yi Series Utility Knife (B27)
  • Magnetic gift box
  • Care and warranty information

Arrives ready to gift.

Yi Series

Ready when you are.

Yi Series — B27

Add to cart — $85.95
  • 30-day returns
  • Free shipping over $100
  • Lifetime warranty

FAQs

Where does a 5" utility knife fit in my knife set?

Right between the paring knife and the chef's knife. It handles anything too big for a paring knife and too fiddly for a chef's — tomatoes, citrus, small onions, sausages, sandwiches and meat trimming.

Is the Yi B27 a real Damascus blade?

Yes. It is genuine 67-layer Damascus — 66 layers of stainless cladding folded around a 10Cr15CoMoV cutting core, so the pattern runs all the way through, not etched on.

How hard is the steel?

The core is hardened to 60±2 HRC using vacuum heat treatment and a deep-freeze cycle, which stabilises the steel and helps the edge hold.

What angle is the edge?

Ground to roughly 12-15° per side as a double bevel — a fine slicing edge that parts soft skins and rinds cleanly.

Can it go in the dishwasher?

No. Hand wash and dry it after use. Dishwasher detergents and heat damage both the edge and the rosewood handle.

What handle does it have?

A contoured rosewood handle on a full-tang blade, secured with three rivets including one specially selected mosaic rivet.

Is there a warranty?

Yes, a lifetime warranty against manufacturing defects via xinzuo.com.au.

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