Yu Kurosaki Kokusen Ei AS Petty 130 mm

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$283.45
Regular price
$314.95
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$31.50 (11%)
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SPECIFICATIONS
Blade Length 130 mm
Total Length 260 mm
Steel Aogami Super (Stainless Clad)
Handle Rosewood
Ferrule Black Pakka wood
Rockwell 64
Height Spine to heel 26 mm
Width at Spine 2 mm
Weight 67 grams
Bevel Double (50/50)

 

Yu Kurosaki

These are easily some of the most beautiful knives we have at the shop. Made by Master Blacksmith Yu Kurosaki who works out of a newly constructed shop just steps from the Takefu knife village community centre. He began his blacksmith journey in 2002 at Kanehiro and now only 17 short years later he has been awarded his Master Blacksmith designation by the Echizen Blacksmith Foundation. His knives represent the future of Blacksmithing in Japan as he focuses on traditional technique while using innovative and progressive design's and finishes that have garnered the attention of many chef's around the globe. Simply put his knives are stunning to look at and dare we say perform even better than they look.


Takefu Knife Village

The Takefu Knife Village is a cooperative workshop in the Echizen region of Japan. It is the home to a long list of blacksmiths that we work with and many young and upcoming apprentices learning the trade. The area has a 700 year long history of smithing with roots in agricultural tools turned cutlery powerhouse.


The Knife

The petty knife is the Japanese equivalent of a utility knife. They typically range in size from 90 mm (3.5 inches) to 150 mm (6 inches) and have a slender, easy-to-control, short blade. They are a perfect accompaniment to a Gyuto, Santoku, or Bunka, as they facilitate smaller tasks. Shorter versions are great for in-hand use. Longer versions are great for fine chopping and managing small ingredients on a cutting board. They also handle butchery tasks with ease.

 

Knife Care (Stainless Clad)

  • This knife is made from 3 layers of steel using a technique called Sanmai (Forge welding). It involves laminating a piece of Carbon steel with two pieces of Stainless steel giving the knife all the benefits of the carbon steel (Edge retention, ease of sharpening, cutting feel) and the Ease of Maintenance from Stainless steel. 2-3 millimeters of the carbon steel is exposed at the edge of the knife and is susceptible to rust and discouloration if not properly maintained.
  • Simply Wipe the knife with a damp cloth immediately after use to keep it from rusting or discouloring.
  • Wash with regular dish soap and warm water using a none abrasive sponge or cloth.
  • Never put your knife in the Dishwasher. The extreme heat will ruin the wooden handle.
  • Highly acidic ingredients (Onions, Tomatoes, Citrus) Will cause rust and oxidation to happen faster, thus the user must ensure the knife is wiped clean immediately after working with such an ingredient.
  • Should any rust form it can be removed using a rust eraser or a mixture of Baking soda and water to simply scrub it clean.
  • Avoid Bones, Frozen foods, nuts and hard candies, parmesan rinds, woody stems or anything other than fruits, vegetables and proteins.

 

CARE INSTRUCTIONS

Follow these care recommendations for your Japanese knives to protect the edge and keep them sharp as long as possible: 

  • Do not put them in the dishwasher or soak them in water, as this may ruin the wooden handle and rust the blade. 
  • Wash with soapy water and wipe dry after each use, especially after handling acidic ingredients, to minimize the risk of rusting.  
  • Don’t cut through anything you wouldn’t bite through, like frozen foods, hard candies, or bones, as this may chip or damage the knife. 
  • Don't torque the blade, as this may chip the knife. Use it in a forward and back, up and down motion without twisting.
  • Don’t scrape the cutting board with your knife, as this will cause it to dull quickly and ruin your edge. 
  • Use an end grain wooden cutting board or hi-soft rubberized cutting board if you can to protect your edge. Glass, bamboo, and granite are terrible materials for cutting boards, and plastic is only slightly better. 
SHIPPING & RETURNS

All products are shipped within 24 hours. We offer same day shipping for products ordered by 12pm. Please allow 4-7 business days for your shipment to arrive with standard shipping. Expedited shipping options are also available at checkout.

We offer free shipping on orders within Canada over $150 CAD and free shipping on orders to the US over $200 USD.

Curbside pick-up is available at both our Hamilton and Etobicoke locations.

To make sure our customers are always satisfied, we offer full refunds on products for 14 days after receiving them. See our full return policy for details.

More questions? Check out our shipping policy, our return policy, or reach out to us directly.

KNIFE SHAPE

THE PETTY

The petty knife is the Japanese equivalent of a utility knife. They typically range in size from 90 mm (3.5 inches) to 150 mm (6 inches) and have a slender, easy-to-control, short blade. They are a perfect accompaniment to a Gyuto, Santoku, or Bunka, as they facilitate smaller tasks. Shorter versions are great for in-hand use. Longer versions are great for fine chopping and managing small ingredients on a cutting board. They also handle butchery tasks with ease.

STEEL TYPE

R2 (SG2)

R2 and SG2 are technically different steel types, but are so similar we and many other retailers lump them into the same category. They are what’s known as a “quick powdered” stainless tool steel with incredible edge retention and corrosion resistance. Their one drawback is that their hardness can make them difficult to sharpen. It is not a steel we would recommend for those planning to thin and polish the bevels of their knives unless they are equipped with the proper tools (you will need a low grit stone in the #200 grit range).

Chemical Composition:
C 1.25-1.45% | Cr 14.0-16.0% | Mo 2.3-3.3% | V 1.8-2.2%

COMPOSITION

STAINLESS

LOW MAINTENANCE

Stainless steel Japanese knives are made in a process called “Sanmai” or “Forge welding” where two softer layers of stainless steel are laminated around a harder core layer of stainless steel. All three of these layers are rust resistant and therefore are not susceptible to rust or discoloration. The softer outer layers of steel are used to make the knife more durable and flexible while the harder core layer is used to provide better edge retention to the blade.

THE BLACKSMITH

YU KUROSAKI

Master Blacksmith Yu Kurosaki works out of a newly constructed shop just steps from the Takefu knife Village community centre in Echizen City, Fukui Prefecture, Japan. He began his blacksmith journey in 2002 at Kanehiro Hamono, apprenticing under master blacksmith Hiroshi Kato-san (Traditional Master Craftsman, or “Dentou-kougeishi”, with over 50 years experience). 17 years later, he became the youngest blacksmith to be awarded the same Traditional Master Craftsman honour bestowed upon his mentor. His knives represent the future of blacksmithing in Japan, as he focuses on traditional techniques while using innovative and progressive designs and finishes that have garnered the attention of many chefs around the globe. Simply put, his knives are stunning to look at and perform even better than they look.

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