A long but nimble petty, the kurosagi is the ideal utility knife to join your main chef knives in the kitchen.
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Product details
- Blade Length: 156mm (Measurement of the cutting edge)
- Total Length: 284mm (Blade + Handle)
- Blade Thickness: 2.94mm (Measured level with heel)
- Blade Height: 34.3mm (Heel to spine)
- Total Weight: 84 grams
- Core Steel: Super Blue Steel
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This knife is made from a reactive carbon steel which is not stainless and therefore has some special care instructions and properties.
Read the carbon steel care guide - Cladding Steel: Soft Iron
- Hardness: 62-63 (HRC)
- Handle Style: Japanese
- Handle Material: Angled wenge and black buffalo
- Left or Right handed: Either (Double Bevel)
Product SKU: 11501
Our aim is to measure and photograph all our products as accurately as possible but due to the handmade nature of many items, please be aware that there may be some variance in the measurements and that things such as blade and knife handle patterns can vary and presentation boxes may differ from those shown but we will always endeavour to provide the most accurate measurements, photos and descriptions of our products.
Some measurements such as HRC are provided by the manufacturer and should therefore be used as a guide.
Protection & care for this knife

We recommend a petty sized blade guard for this knife if you're not going to store it on a magnetic rack or block.
Blacksmith Profile
Motokyuuchi / Hatsukokoro
This range is made for Hatsukokoro by the Motokyuuchi workshop. Led by 5th generation blacksmith Yasuhide Maeda, Motokyuuchi have been making knives and blades since 1895.