Iaito Jisei Unryu Koshirae | 2.30 ~ 2.45 Shaku

Name: Iaito Jisei Unryu Koshirae | 2.30 ~ 2.45 Shaku
Brand: Seido
Price: 33500.0 JPY
Availability: InStock
Rating: 4.833333333333333 (6 reviews)

Average rating: 4.8/5 View/write review(s)

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Sword Maintenance Kit for Iaito & Shinken

Made in Japan

Contains : Choji oil (20 mL), Nuguigami, Uchiko and Uchiko powder.

This maintenance kit for your Iaito or Shinken features Choji Abura (Japanese clove oil) to nourish the Saya of the Iaito or to maintain and protect the blade of a Shinken. Further, it also includes a Uchiko (a chalk powder "ball") and Uchiko powder used for the maintenance of a steel blades. The third item in the box is the Nuguigami, a special paper to wipe off excessive oil and in case of a Shinken also the Uchiko powder.

Same content for each box, only the container changes.

Utilization on Iaito :
Please be aware that the blade of the Iaito are made of chromed alloy and therefore do not need any maintenance. We recommend to oil the blade regularly to help nourish the wood of the Saya from the inside, but we strongly advise against using Uchiko powder as it might slightly scratch the alloy.

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Iaito Carry Bag (Synthetic Leather)

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Synthetic Leather Iaito Bag

Made in Japan

Material: Synthetic leather

Length: 111 cm or 120 cm | Weight: 400 g

Name plate option: Synthetic leather embroidered name plate (maximum 1 name)

This leatherette bag is designed to hold one Iaito up to 2.65 Shaku, including a small pocket for maintenance accessories.

Available in 111 cm (M) or 120 cm (L).
Reinforcement on the lower part.
Accessory pocket.
Synthetic leather - Water resistant.
Adjustable and removable shoulder strap.
Front insert to fit a name plate.

"Name Plate" Option (+1,000 JPY): Optionally, you can add a name plate embroidered with your name. This plate is made of synthetic leather, and will be directly integrated on the bag before shipping.
Please note: given the little space available, it is only possible to embroider either a first name, a last name, or a word (Aikido, Aikibudo etc.)
For more information about Japanese embroidery, please consult the page "How to Choose your Japanese Embroidery".

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Iaito Carry Bag (Kanoko Padded)

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Kanoko Weaving Iaito Bag

Made in Japan

Material: Cotton, Polyester

Length: 111 cm | Weight: ~400 g

Name plate option: Synthetic leather embroidered name plate (maximum 1 name)

For practitioners travelling often, this cushioned model provides an excellent protection for your Iaito or Shinken

Outer fabric cotton/polyester reinforced
Padded interior
Reinforcement on the lower part
Accessory pocket
Adjustable and removable shoulder strap
Front insert to fit a name plate

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Product Information & Size Chart

Product details
How to choose your Iaito
Reviews

Unryu Koshirae Jisei Iaito (2.30 ~ 2.45 Shaku)

Made in Japan (Kyushu)
Hamon Suguha
Habaki: Yujo, copper with black finish | Seppa: Gold
Tsuba: Ryu (dragon) | Menuki: Ryu (dragon) | Fuchi/Kashira: Unryu (Dragon)
Tsukaito: Cotton, black | Sageo: Polyester, black
Saya: Kuroro (glossy, black)

The Unryu Koshirae is of standard Japanese quality and offers a very good quality/price rate.
Our team has been recommending this model for several years to beginners. It also makes a fine choice for adepts of other arts looking for a practical Iaito without expensive finish or fitting.
The blade is made of high quality reinforced zinc/aluminium bubble-free alloy (duralumin). Note: Alloy blades do not cut and cannot be sharpened.
Just like the blade, all fittings are handmade and the whole product is 100% made in Japan.

Available sizes range from 2.30 Shaku to 2.45 Shaku. The Hamon (pattern on the blade) is a classic Suguha (straight). The Iaito features a copper "Yujo" Habaki with a black finish and gold plated bronze Seppa. The Tsuba, Fuchi/Kashira and Menuki have a classic Ryu (Dragon) design, which gives its name to the sword (Unryu = cloud dragon). The Tsukaito is made of traditional black cotton, and the Sageo is made of black polyester. The Kuroro Saya (black glossy finish) is the most classic lacquer.

This Iaito's design is entirely based on the traditional Asian representation of the mythical Dragon.
In Buddhism, the Dragon is the protector of the divine law. Dragons are sometimes seen as gods or very powerful beings able to bring various kinds of good and evil on earth (rain, thunder, etc.). The Dragon is one of the most popular mythical beast and as such, is tied to an enormous number of myths and legends of all kinds. It’s a symbol of great power, wisdom, and success, and it is said to bring strength, luck and fortune. It is also often associated with the sea.

Please note that this product is stocked in limited quantities. In case of shortage, production may take up to 4 weeks until shipping is possible.

**Technical Specifications**
Weight (2.45 shaku)	~820 g without Saya \| ~1,100 g with Saya
Motohaba (blade width at bottom)	31 mm
Sakihaba (blade width at tip)	21 mm
Motokasane (blade thickness at bottom)	7 mm

**Size Table**
Your height	Blade length	Tsuka	Weight (without Saya)
~ 160 cm	2.30 Shaku / 69.6 cm	8 Sun / 24.2 cm	720 g
~ 165 cm	2.35 Shaku / 71.2 cm	8 Sun / 24.2 cm	750 g
~ 170 cm	2.40 Shaku / 72.7 cm	8.5 Sun / 28.8 cm	780 g
~ 175 cm	2.45 Shaku / 74.2 cm	8.5 Sun / 28.8 cm	820 g

*This size table is based on the official Japanese Iaido federation recommendation, for information purpose only.

Disclaimer: Non Returnable Item

Because considered as a weapon by the Japanese legislation, the re-importation of the item is impossible. Therefore, this product is non-returnable/exchangeable.

Information on choosing your Iaito Size, Model & Options

Unlike Dogi, Hakama or Obi, the use of poor quality materials to manufacture Iaito can be dangerous and lead to serious injuries. Seido is very attentive to safety and our Iaito are especially selected for their high quality.

Contrary to a popular belief in the West, steel Iaito do not exist in Japan. The possession of weapons is strictly prohibited by law and owning a steel weapon is only possible with a legal circumvention that categorizes the Katana as an object of art, not as a weapon. Because of this very restrictive law, the vast majority of practitioners tends to use Iaito, even those owning a real and expensive steel Katana. Iaito are usually made of aluminum/zinc alloys, which can be produced via different processes. Minosaka and Jisei blades are manufactured through a proprietary process that yields a high quality, "bubble-free" alloy.

The first thing to determine when choosing a Iaito is your type of practice. Will you use your Iaito only from time to time? Do you use it in every class? What type of Budo do you practice?

Beginners and casual practitioners will opt for low-cost but reliable materials. Those can be found in the Tokusei or Jidai models by Minosaka and the Take or Ume by Jisei. More seasoned practitioners and collectors will opt for superior models with a better finnish. High level practitioners will appreciate heavy-weight (large blade) models such as the Hon Koshirae. Finally, people with less strength might appreciate the Jisei lightweight series. Please note that heavier Iaito, which are balanced toward the kissaki (tip) are difficult to handle. They should be reserved for experienced practitioners.

The purpose of this guide is to give you an overall presentation of possible customizations. Details about each possible option, depending on whether or not it is available for a specific model, can be found on each Iaito’s product page.

Importation restrictions in UK, Russia and Brazil
In those countries, customs are very strict about weapon importation (which includes Iaito). We discourage placing an order without pre-approval from your local customs and we will not assume responsibility for those packages.

Contents

The weight of a Iaito depends on the blade, Tsuka length, and options

How to determine the correct size

The blade length is measured in a Japanese traditional unit called Shaku. One Shaku equals 30.3 cm, or roughly 1 feet (0.994 Ft.). Its subunit is the "Sun". There are ten "Sun" in one "Shaku", so 5 Sun can also be written 0.5 Shaku. Note that the length of a blade does not include the Habaki (see pictures), but is measured in a straight line from the tip (Kissaki) to what is called the Munemachi (base of the blade), hidden under and covered by the Habaki.

The blade length is usually determined by the size of the practitioner.
Be careful though: depending on schools and teachers, the recommendations may vary slightly from what we suggest in this table. In general, for Aikido practitioners for whom the Noto (sheathing of the sword) does not seem crucial, we advise to choose a Iaito 0.5 Shaku shorter than what is suggested on the table.
The blade length is given according to the size of the practitioner and following the guidelines suggested by the Japanese Iaido Federation. The Tsuka lengths are suggested by our team so as to preserve the balance of the weapon, but it also takes into account the fact that the hands of western practitioners are generally bigger than those of the Japanese.
If you are a beginner, you can stop here, you do not need any other information to chose your Iaito.

The following table does not take into account the weight variations that occur when choosing Tsuba and Menuki.

Blade Length, Tsuka Length, Size Table & Weight

**Iaito Size & Weight Comparative Table**
Height (men/women)	Recommended Blade length	Recommended Tsuka length	Lightweight Weight	Standard Weight	Heavyweight Weight
150 cm / 155 cm	2.20 Shaku (66.6 cm)	7.5 ~ 8 Sun (22.7 ~ 24.3 cm)	~700 g	~780 g	~900 g
155 cm / 160 cm	2.25 Shaku (68.2 cm)	7.5 ~ 8 Sun (22.7 ~ 24.3 cm)	~710 g	~790 g	~915 g
160 cm / 165 cm	2.30 Shaku (69.6 cm)	8 ~ 8.5 Sun (24.3 ~ 25.6 cm)	~720 g	~800 g	~930 g
165 cm / 170 cm	2.35 Shaku (71.2 cm)	8 ~ 8.5 Sun (24.3 ~ 25.6 cm)	~730 g	~810 g	~945 g
170 cm / 175 cm	2.40 Shaku (72.7 cm)	8.5 ~ 9 Sun (25.6 ~ 27.3 cm)	~740 g	~820 g	~960 g
175 cm / 180 cm	2.45 Shaku (74.2 cm)	8.5 ~ 9 Sun (25.6 ~ 27.3 cm)	~750 g	~830 g	~975 g
180 cm / 185 cm	2.50 Shaku (75.8 cm)	9 ~ 9.5 Sun (27.3 ~ 28.8 cm)	NA	~845 g	~990 g
185 cm / 190 cm	2.55 Shaku (77.3 cm)	9 ~ 9.5 Sun (27.3 ~ 28.8 cm)	NA	~860 g	~1010 g
190 cm / 195 cm	2.60 Shaku (78.8 cm)	9.5 ~ 10 Sun (28.8 ~ 30.3 cm)	NA	NA	~1030 g
195 cm+	2.70 Shaku (81.8 cm)	9.5 ~ 10 Sun (28.8 ~ 30.3 cm)	NA	NA	~1050 g

Standard weigth blades have a maximum of 2.55 shaku with Minosaka and 2.45 shaku with Jisei.
Heavy blades a maximum of 2.70 shaku.

More information on available options

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Blade Hamon

The Hamon on the Iaito is for purely aesthetic reasons and has no effect on the usage of the weapon.
On Shinken (Katana), it results from selective quenching, and its quality depends heavily on the forge.
The Iaito being made of aluminum, it cannot be sharpened, the Hamon is made by sanding it using a stencil. In the same category of Hamon (e.g. Notare, Midare), the workshop has dozens of stencils, all slightly varying, so that there are very few identical Hamon.

Blade Goove (Hi or Bo-hi)

The groove, called “Hi” or “Bohi” in Japanese, has several purposes; it can make the blade lighter and more flexible or help draining the blood for instance, but some options are simply aesthetic (such as the design of the bottom and end of the groove).
Jisei offers two kinds of options: one kind concerns the groove itself (standard, deep, no groove) and the other concerns its finish (Kakinagashi, 5 Bun Dome and Shinken hi). Of course, there are no finish available when the option is "without groove".
Minosaka only offers two options: with or without groove.

Habaki & Seppa

The habaki is the piece of metal circling the base of the blade. It has the two main purposes, locking the tsuba in place, maintaining the sword in the Saya. Unlike Shinken Habaki, that can be incredibly expensive, Iaito Habaki are standardized and gently forced in place. This means that it is not recommended to remove/change the Habaki on a Iaito blade.
The seppa are washers used in front and behind the tsuba to tighten the fittings, made of copper. They are mandatory to keep the Tsuba in place securely.

Minosaka offers 3 different models: Muji (plain), Shonai, and Yujo, that are available in brass finish, gold plated finish or silver plated finish. The Seppa are available in bronze, raw brass, gold plated and silver plated finishes.
Jisei offers only 4 models: black finish, gold finish, silver finish, and Shonai style silver finish.The Seppa are available in black (oxydized), gold plated and silver plated.

Minosaka - Shonai Muji Yujo Copper Habaki

Minosaka - Shonai Muji Yujo Silver Habaki

Tsuba

The Tsuba has two main functions: aesthetic and balance adjustment.
A heavy Tsuba shifts the balance towards the Tsuka, making the Iaito easier to handle whereas a light Tsuba will push the balance towards the Kissaki (choose the latter if you decide to focus on cutting training).
Tsuba are usually made of Iron, sometimes stainless steel, with different finishes.

Minosaka offers 19 models to chose from, for all Minosaka models.
Jisei has the largest catalog in Japan with more than 70 models. All Tsuba for both workshops are available as standalone products and all technical information for each Tsuba is detailed on each product page.
Note that on Jisei's models, the Tsuba is determined by the model (Koshirae) and cannot be changed. The Tsuba can be chosen only for full custom orders.

Tsukasame

The Samekawa or "shark skin" is the part under the Tsukaito. Despite being called a "samekawa", and because shark hunting isn't really a thing nowadays, stingray skin is used instead. Its main purpose is to keep the Tsukaito in place and to reinforce the Tsuka structure. The same is sanded and polished in order to produce a durable high quality type of leather. On live blades (Shinken) mount, the Same is a "maki same", wrapper around the Tsuka wood. However, for cost reasons, Iaito Tsuka are made with two rectangular pieces of same embedded in the Tsuka. This is called Tanzaku-same. The Maki-same option is possible on Jisei full custom Iaito only, and on Minosaka Iaito on request.

Same exist in different quality and type.
Minosaka offers both classic white and black finishes.
Jisei also offers anshu (red-ish) color in addition to white and black.

Fuchi & Kashira

The Fuchi is a hilt collar between the tsuka and the tsuba. It serves as a reinforcment for the Tsuka (handle). The tang of the sword goes into the tsuka through the opening in the fuchi.
The Kashira is a pommel on the end of the tsuka, which serves, similarly to the Fuchi, as reinforcement for the Tsuka (handle). It usually features a hole that is used to secure the tsukaito (wrapping). Some kashira, and notably Suigyu (water buffalo) made Kashira do not have a hole, which forces to slightly change how the maki (wrapping) is done.

Minosaka's Koshirae (models) are based on the Fuchi and Kashira featured. Minosaka does not offer full custom workshop, so fuchi and Kashira modification is therefore not possible on Minosaka Iaito.
Jisei has the largest catalog in Japan with more than 40 models available in different finishes. On Jisei's models, the Fuchi/Kashira set is determined by the model (Koshirae) and cannot be changed. The Fuchi/Kashira can be chosen only for full custom orders.

All Fuchi/Kashira for both workshops are available as standalone products and all technical information for each Fuchi/Kashira is detailed on each product page.

Menuki

Menuki are ornaments on the tsuka to fit into the palm for grip and originally meant to distract the eyes from the mekugi (peg). It is generally placed under the wrapping, but may also appear over the wrapping, especially with a Ikkan-maki or Hira-maki wrapping style. Although the Menuki may influence the balance of the weapon, it is very subtle given its light weight.

Minosaka offers 14 models to chose from, for all Minosaka models.
Jisei has the largest catalog in Japan with more than 70 models. All Menuki for both workshops are available as standalone products and all technical information for each Menuki is detailed on each product page.
On Jisei's models, Menuki are determined by the model (Koshirae) and cannot be changed. It can be chosen only for full custom orders.

Tsukaito (wrapping)

The Tsukaito has two main purposes: it serves as a grip and it holds the Tsuka tightly together. A tightly wrapped Tsuka is extremely important for security.
Cotton allows a better absorbtion of the sweat but is less durable than silk and leather. It is the standard option on most Iaito. Silk feels a little harder and may not be recommended for beginners but has a significantly longer lifespan. Leather does not absorbs sweat but offers an excellent grip and is the most durable material. Leather is available in standard and suede version (napped finish). The latter has a slightly better grip, it keeps dye better and is therefore available in more colors than standard leather; it is, however, slightly less durable.

Both Minosaka and Jisei offer cotton, silk and leather Tsukaito, however Jisei's catalog contains more colors to choose from.

Sayanuri (lacquer)

The Saya is made of two piece of Japanese hackberry wood that are glued together. It is reinforced by both the Sayajiri (end of the Saya), the Koiguchi, and of course, the lacquer. For cost reasons, unlike Shinken, the lacquer of Saya for Iaito are not made from traditional Urushi lacquer but from modern urethane lacquer.

Saya lacquers are usually separated into 4 groups: "classical lacquers", "Kawari-nuri" for combinations (multiple lacquers used on the same Saya), "Kizami" for lacquers applied on a modified Saya (e.g. Saya with shapes carved into the wood) and "Maki" for Saya partly wrapped in another material (such as shark skin or wicker). Kawari-nuri cannot be combined with Maki or Kizami. Each available option is detailed on product pages.

The Kurikata is the piece placed 7.5 cm from the Koiguchi (Saya hole) on the Omote side of the Saya, used to nest the Sageo. It is possible to move the Kurikata on request for all models (see product options).

Kojiri

The Sayajiri (saya butt) is usually finished with buffalo horn (synthetic material in the case of Iaito), but it is possible to replace the buffalo horn by a piece of metal called a Kojiri, which significantly reinforces the Saya.
The classic shape of traditional Shinken Saya is slightly narrower at the end than at the koiguchi. It is therefore recommend to select a Kojiri that is slightly smaller than the fuchi. Kojiri are very often made from the same design as the fuchi and kashira.

Jisei offers a wide range of Kojiri that can be fitted on all their models. Jisei's Kojiri are also available as standalone products, where you will find the detailed specification for each model.
Minosaka does not offer any Kojiri option. However, three models have a Kojiri "by default" on their Koshirae: Toppei Koshirae, Shinto Higo Koshirae and Tensho Koshirae.

Sageo

The Sageo, the braided cord that comes on the Saya kurikata, has two main purposes; it is tied to the Obi (belt) to prevent the Saya from falling when the sword is with its owner, and it has an ornemental purpose when the sword is displayed. Some Koryu also teach how to use the Sageo as a weapon or to tie an opponent's hands (hojujutsu). It is also said that the cord serves as a spiritual bond between the samurai and the sword.

Minosaka and Jisei both offer classic cotton and silk Sageo, as well as original models for each workshop. Thus, Minosaka offers a check pattern cotton model, and Jisei offers a very original turtle pattern silk Sageo.

Taking care of your Iaito

Unlike steel Shinken (Katana), Iaito require only minimal maintenance. It is not absolutely necessary to oil the blade because it does not rust. However, regularly applying oil is advised to feed the wood of the Saya.

Please be careful to not use Uchiko powder (used for Shinken) as it may cause damage to alloy blades.

Of course, the Iaito should be cleaned with a cloth after each class. Ensuring good maintenance of all parts is essential to keep the Iaito in good condition, to avoid safety issues and hence, injuries.

Check out our reportage at the Minosaka Workshop

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Product & Services

Iaito Jisei Unryu Koshirae | 2.30 ~ 2.45 Shaku: ¥33,500

Accessories

1 x Iaito/Shinken Sword Maintenance Kit: ¥2,900

1 x Iaito Carry Bag (Synthetic Leather): ¥5,500

1 x Iaito Carry Bag (Kanoko Padded): ¥6,500

Made to Order | Production: ~ | No Exchanges/Refunds
Order today and we will ship before

In stock: ships within 2 working days
Order today and we will ship before

Availability : around (Shipping date estimation)

Product Options

Iaito/Shinken Sword Maintenance Kit

Sword Maintenance Kit for Iaito & Shinken

Iaito Carry Bag (Synthetic Leather)

Synthetic Leather Iaito Bag

Iaito Carry Bag (Kanoko Padded)

Kanoko Weaving Iaito Bag

Unryu Koshirae Jisei Iaito (2.30 ~ 2.45 Shaku)

Disclaimer: Non Returnable Item

Blade Length, Tsuka Length, Size Table & Weight

Customer Reviews

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