Sen Japanese Draw Knife - 235mm

Smith name: Unknown

Steel: Carbon Steel

Blade length: 235mm

Total length: 460mm 

Blade Width:  about 37mm (The widest part of the blade)

Manufacture Era: Unknown

Weight: 337g

Accessories:  With wooden sheath made by its original owner.

Additional Information: Used. This tool is mainly used to cut the outside of wooden barrels in Japan. 

The blade comes from the same barrel maker as this one. https://tenmoku0701.myshopify.com/products/sen-japanese-draw-knife-305mm

The iron used in the Jigane part of this blade is harder than normal iron. And the laminated steel is thinner than common blades. Based on my experience, I guess this blade may be made of Tamahagane or special steel. The harder Jigane is used to increase the structural strength of the thin blade.