「Ju Ichi」Hira-ganna Japanese Smoothing Plane by Usui Kengo - 60mm
Smith name: Usui Kengo (碓氷健吾)
Steel: Blue #1 or Blue super steel
Jigane(Iron part of the blade): Wrought iron(Kamaji)
Blade Width: 60mm
Blade length: 116mm
Blade thickness: The blade near the bevel(about 5.20mm)，Top of Blade（about 8.80mm）
Blade Weight: 307g
Blade Angles: 24°
Chip Breaker Width: 50mm
Dai manufacture: Inomoto
Dai size(length, width, thickness): 274mm 72mm 36mm
Total weight: 1018g
Accessories: Original box; Original carrying pouch; Instruction manual
Year of production: According to online information, the Juichi mark plane began production in 1952 and stopped in 1999. This plane was probably manufactured around 1990 or earlier.
Additional Information: A rare 60mm size from this series; It is unused and in good condition. Sourced from a professional tool shop in the Kanto region, where it was kept in a display case for over 10 years.
The last image is the final page of the instruction manual. It serves as a touching reminder of the golden age of hand-forged tools, when blacksmiths worked closely with carpenter. The text reads: “A plane for every local wood!! A temper for every user’s touch!! Custom adjustments available upon request.“
オプションを選択