Sotomaru nomi Japanese Incannel Gouge Chisel - 12mm

Smith name: Unknown

Jigane: Probably Watetsu (But it is the hard kind of watetsu)

Steel: Carbon Steel 

Blade width: 12mm

Manufacture Era: Before 1920 (according to collector’s memory)

Blade thickness: Blade Bottom(about 7.3mm)，Top of Blade（about 5.7mm）

Blade Angles: 26°

Total length: 215mm

Neck length: 60mm

Blade length: 70mm

Types of wooden handles：Japanese White Oak（Shirakashi）

Weight: 91g

Accessories：—

Additional Information: Used. I did a repair sharpening, bevel to 400 grit, ura to 1000 grit.  It come from a retired "Miyadaiku"( Japanese shrine and temple carpenters) in Tokyo.

This chisel is from the era when blacksmiths did not use any electric machines to participate in production.