Chu-tataki-Nomi Japanese Specially Made Timber Chisel - 90mm

Brand name: Ichimasa (市政, the Chinese characters under the “市政” mark are ‘特製’, which means specially made.)

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

Steel: White Steel 

Blade width: 90mm

Blade thickness: Blade Bottom(about 12.2mm)，Top of Blade（about 6.4mm）

Weight: 629g

Blade Angles: 24°

Total length: 260mm

Neck length: 55mm

Blade length: 75mm

Types of wooden handles：Ebony

Manufacture Era: about 1980s~1990s (according to collector’s memory)

Accessories：—

Additional Information: Unused, in good condition. Found in the window of a professional tool store in Chiba Prefecture, Japan. 

It has high processing precision and beautiful appearance. In particular, the treatment of the line of the chisel shoulder shows the blacksmith's superb skills and extraordinary aesthetics.

One use and advantage of this widened chisel is shown at 8:22 to 9:20 in this video. - https://www.youtube.com/watch?v=qlMWkxW-7rI