Oire-Nomi Japanese Hand Made Bench Chisel Set by Tomoyatsu

Brand name: Higashi Tomoyatsu (東・友奴)

Smith name: Ishida Tomiyoshi （Infer from the production accuracy and processing traces）

Steel: White Steel

Blade width: 15/12/9/3mm

Blade thickness(15/12/9/3):

Blade Bottom(about 7.60/7.10/7.10/7.10mm)

Top of Blade（about 4.60/4.50/4.10/4.60mm）

Manufacture Era: Before 1990 (according to carpenter’s memory)

Weight: 105/90/83/68g

Blade Angles: 25°

Total length: about 205mm

Neck length:  about 45mm

Blade length: about 50mm

Types of wooden handles：Redwood

Accessories：—

Additional Information:  Used. I did a repair sharpening, bevel to 400 grit, ura to 5000 grit.  

These chisels come from a retired "Miyadaiku"( Japanese shrine and temple carpenters) in Tokyo.