Oo-Kanna Japanese Large Smoothing Plane Blade By Tokyo Smith - 120mm
Brand name: Masamune (正宗)
Smith name: Kurokawa ？(黒川 ？，possibly, not sure. He was a Tokyo blacksmith active from the Taisho era to the early Showa era in Japan.)
Steel: Carbon Steel
Jigane: It could be Kamaji or it could be Japanese iron
Blade Width: 120mm
Blade Weight: 542g
Blade Angles: 20°
Blade thickness: Blade Bottom(about 7.8mm)，Top of Blade（about 5.0mm）
Accessories: -
Manufacture Era: Before 1960 (according to collector’s memory)
Additional Information: Unused, in good condition. The blade has some rust on the surface. From the collection of a retired carpenter in the Tokyo area.
Information about the blacksmith was provided by Mr. Tsuchida Noboru. But he had only heard that Kurogawa blacksmith made blades of this brand. The exact blacksmith information about this blade is currently unavailable, but it is known that the blade was made by a blacksmith from Tokyo (or nearby).
The blade is thinner than the large blades commonly seen today. The blacksmith's forging skills are very good, and the entire blade is full of traces of the remnants of traditional hand-made methods.
It is not recommended for beginners because adjusting it and making a suitable wooden body requires you to have more experience. It is recommended to use wood that is not easy to deform for the wooden body.
For more information about thin plane blades, please refer to my blog: 「The evolution of the Japanese plane blade "Nikuoki" since the end of the Edo period」
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Oo-Kanna Japanese Large Smoothing Plane Blade By Tokyo Smith - 120mm
Sale price¥75,000 JPY