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[Ai knife] Cobalt stainless steel knife 21cm

Addition of special case/sheath (charges apply)
Tosa Washi gift wrapping (charged)
¥35,000
¥35,000
Tax included. Shipping calculated at checkout.

Type: Gyuto Steel Material: Cobalt stainless steel (rust-resistant)
Blade length: 21cm
Blade attachment: Double-edged (compatible with ambidextrous use)
Handle wood: Hiba handle processing: Indigo dyed + waterproof coating Weight: Approx. 140g
Production area: Japan (Osaka + Tokushima)

<What is a Gyuto?>
Gyuto was introduced from the West during the Meiji period along with the carnivorous culture.
The blade was narrower than the Santoku knife, and was intended for cutting meat.
It is widely used as a large Santoku knife by people who often cut large ingredients.
It looks slimmer and more stylish than the Santoku, and is the second most popular type after the Santoku.

<About steel>
Cobalt stainless steel that achieves three points: "extra sharpness," "rust-resistant blade," and "moderate decorativeness."
Balancing sharpness and rust resistance has been a difficult challenge for knives.
The harder it is, the sharper it will be, but stainless steel is a softer steel that resists rust.
Cobalt stainless steel (ZA-18) is the latest steel material that solves this problem.
The central core material is made of hard ZA-18, and the surrounding side materials are sandwiched between soft stainless steel, achieving both sharpness and rust resistance.
It also has excellent wear resistance, so it has excellent sharpness and lasts a long time.
Due to its high chromium content, it is a high-grade steel material that is more resistant to rust than other knives.

<What is Ai Knife>
Indigo dyeing has supported our daily lives due to its antibacterial and deodorizing properties. Incorporating this technology, the Ai knife was born with both functionality and visual appeal. This product is a combination of Sakai cutlery, a tradition in Osaka, and indigo dyeing, which is rooted in the history of Tokushima. "Craftsman collaboration" by craftsmen from different regions and with different techniques aims to increase added value by combining the values ​​of each technique. The Ai knife is a project that aims to revitalize traditional Japanese techniques by bringing benefits to multiple production areas with a single product. Please enjoy the collaboration of craftsmanship.

[Option] About the special case (sheath)

Option price: 10,000 yen (12,000 yen for Yanagi blade)

This is a sheath exclusively for the Ai knife. The scabbard is also dyed with indigo. If you have the opportunity to carry a knife, please consider this.

The material of the sheath is "Honoki".

*We prepare sheaths according to the type and length of the blade.

*It may not fit knives other than Ai knives.

*After purchase, we cannot accept returns or refunds for reasons such as the size of the knife does not match your own knife, which is not an Ai knife.

[Optional] About Tosa Washi gift wrapping

Option price: 500 yen

We also offer gift wrapping using Tosa washi paper as an option. Please use it as a present for your loved ones.

You can also add a gift (5 yen coin) as an option. We recommend this as it is a typical Japanese way of giving a gift that conveys the wish that your relationship will last forever.

Since ancient times in Japan, there has been a culture of giving knives at celebratory occasions as a gift to ward off evil and misfortune and bring good fortune. Please continue to use it to "open up" a bright future.

[Optional] About the name engraving service

Option price: 1,000 yen

You can add text (your name or message) to the knife blade. Text can be added to all lineups of Ai knives currently on sale. This service allows you to create a special feeling by giving it as a gift to a loved one or as your own favorite item.

There is a detailed explanation of the name engraving on the page below, and please purchase from the page below.

● Click here for the name page

About shipping, delivery, and delivery date

■Shipping fee

Nationwide flat rate: 1,000 yen

*Free shipping for some set items

■Delivery method

Sagawa Express / Courier

■Delivery date

Each Ai knife is finished one by one after an order is placed, so it takes time.

Items marked as ready-to-deliver: Ship within 2 business days.

Items that are not marked as ready-to-deliver ①: Regular items shipped in 7 to 10 days (mainly stainless steel knives)

Items that are not marked as ready-to-deliver ②: Items that normally take more than 2 weeks (mainly steel knives)

Items marked as "Sold Out" may take some time to arrive.

Each piece is handmade by craftsmen, so steel, wood, and monthly production quantities are limited.

About handling methods and precautions

<Handling method/Precautions>
-Wood grain and indigo dyeing may vary slightly from piece to piece.

・The indigo dye will not ooze out due to the waterproof coating that complies with the Food Sanitation Act.

・Please note that the waterproof coating may peel off if subjected to strong impact.

- Trying to cut hard or frozen items may cause the blade to spill.

・Do not heat the blade.

・Please do not use the dishwasher.

- After washing with a neutral detergent, remove the moisture thoroughly and let it air dry.

Thoughts on Ai knives

There is a reason why I decided to create a knife with a new concept called the Ai knife.

I wanted to make Japanese knives more hygienic, and I wanted to stimulate the manufacturing industry and craftsmen by creating new value.

In order to create value that is unaffected by time and culture, we decided to develop products centered on functionality and people.

When it comes to tools, functionality is more important than design. It involves people, not machines. I thought that something that is spontaneous and unique to humans, and in a sense resembles folk art, would resonate with the hearts of those of us who are tired of mass production and mass consumption. Possibilities created by craftsmen who would otherwise never have met.

We hope that the value of collaboration with artisans can be conveyed to everyone through the Ai knife!