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3 231.02 грн
Country of origin
Tadayoshi forging company
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The knives of Tosa craftsmen have long been famous for their very high quality and reliability and need no introduction. The region where these knives are produced is located on one of the southern islands of Japan (Shikoku Island) and is widely known for festivals of knife makers and manufacturers of a wide variety of cutting tools. The interest of professionals in various industries who use knives, collectors, as well as simply fans of this subject is aroused by both the high skill of manufacturers and excellent quality of products, and the fact that due to the high competition of blacksmiths in this region it is possible to purchase exclusive samples of knives made from the best grades of steel ( such as Super Aogami) for a relatively low price. Moreover, Tosa sells both ready-to-use products and blades separately (knife manufacturers in Japan, as a rule, are extremely reluctant to do this), and the handle can be made at your discretion, which can be very convenient. The knives presented are manufactured by Tadayoshi forging company under the supervision of master craftsman Tadayoshi Saku.
Tosa Kurouchi Petty 120mm is a small hand forged knife. The knife blade is three-layered, with double-sided sharpening. The central, extremely thin and durable layer, hardened to 61HRC, is made of Sirogami steel, which has established itself as one of the best Japanese blade carbon steels. It naturally rusts - the Japanese traditionally do not use chromium-containing steels, since carbon gives a much more aggressive cut and is more resistant to dulling. The outer layers (which serve to prevent damage to the thin, hard, but relatively fragile central core) are made of softer steel, also rust-resistant, partially coated with blackening (Kurouchi), which makes the knife easier to care for. Long-term use of the knife will lead to slight darkening of the area that is not protected by the anti-corrosion coating. This will not damage the knife or degrade its performance, but will provide a nice visual contrast to the outer layers of mild steel by revealing a joint line - the jagged pattern of which will resemble the yakiba line found on Japanese katanas.
The Kurouchi Petty Tosa knife belongs to the Petty variety and has a small blade size of 120 mm, characteristic of this variety. If in a Japanese kitchen the main knife can be called a Santoku type knife, then in professional Western kitchens the main knife is a small general purpose knife called a utility knife. This knife is used for everything - peeling, shaping and cutting fruits and vegetables, meat, fish, chopping herbs and preparing side dishes. Kurouchi Petty Tosa is an analogue of a universal European knife. The Petty knife's compact size and relatively narrow blade allow it to be very comfortable and controllable to use, making it ideal for making precise cuts.
This knife has a so-called blade. double wedge Those. the blade blade gradually becomes thinner both from the heel to the tip and from the butt to the cutting edge, having an isosceles triangle in two planes, in any transverse and longitudinal section. This blade configuration is technologically quite difficult to implement during manufacturing, but it is extremely effective in operation. It’s not for nothing that they say it’s not steel that cuts, it’s geometry that cuts. You should first of all pay attention to the structure of the blade when choosing a knife, at least by looking at its spine - a wedge on the spine immediately reveals a high-quality and expensive knife.
The handle of the Kurouchi Petty Tosa knife is made in the traditional style of modern Japanese knives. Oval cross-section of the handle with a D-shaped protrusion for the right hand, plastic frame and mounting on a thermal compound. Walnut wood was chosen as the material for the handle. Unlike most traditional Japanese knives, the handle of the Kurouchi Petty Tosa knife is treated with polymer impregnation, which makes it extremely durable and resistant to external influences (mechanical, chemical, and ultraviolet radiation), i.e. no additional processing is required.
When using and caring for the Kurouchi Petty Tosa knife, it is necessary to take into account that the blade, both the lining part and the hard core, are susceptible to corrosion. Although most of the holomen is protected by blackening, this still does not completely protect against rust. Therefore, after each use, the Kurouchi Petty Tosa knife should be washed and wiped dry. It is better to store it on an open magnetic suspension. If you do not intend to use the knife for a long time, it is advisable to lubricate the rusting parts of the blade with oil. The Japanese use butt oil for this. You also need to take into account that the central layer of the blade is very thin and hard, and the sharpening angle is critically small. It is necessary to avoid shock loads on the cutting edge, contact of the knife with anything very hard (bones, frozen foods, etc.). Also, due to the fact that the central layer is very thin, if left in an aggressive environment for a long time, rust can completely destroy it.


Country of origin
Tadayoshi forging company
61 HRC
Blade height
Blade length
Blade thickness
Handle material
walnut wood
steel grade
Shiro Kami
55 g.
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