Oire-Nomi Japanese Hand Made Bench Chisel Set By Osahiro

Smith name: Tanaka Ichiro

Steel: White Steel

Blade width: 42/36/18/15/12/9/3mm

Blade thickness(42/36/18/15/12/9/3):

Blade Bottom(about 7.50/7.20/6.60/6.50/6.50/6.50/7.20mm)

Top of Blade（about 4.60/4.90/4.80/4.80/4.70/5.00/5.80mm）

Manufacture Era: Before 2000 (according to carpenter’s memory)

Weight: 186/161/116/104/97/89/69g

Blade Angles: 23～25°

Total length: about 195mm(36,42mm); 205mm(18/15/12/9/3mm)

Neck length:  about 45mm

Blade length: about 50mm(36, 42mm); 55mm(18/15/12/9/3mm)

Types of wooden handles：Redwood

Accessories：—

Additional Information:  Used. I did a repair sharpening, bevel to 400 grit, ura to 5000 grit.  The 15, 12, and 9 mm chisels were only lightly used.

This set of chisels uses the unusual Osahiro mark - "左長弘/Hidari Osahiro" with mirrored text. I currently have no further information to provide regarding this mark