Nakayama Tomae Japanese Natural Finishing Stone - 346g One of the essential reference

One of the essential reference books for understanding Japanese hand saws

Blade Bottom(about 7

22mm (12mm)

Regarding the authenticity of this information

Nakayama Tomae Japanese Natural Finishing Stone - 346g One of the essential referenceSize: 170mmx55mmx20mm Weight: 346g Additional Information: This is an unused stone sourced from a professional tool shop's collection in the Kanto region. I personally hand selected this piece at the shop, testing it with my own chisel to ensure its quality. Among the four Japanese natural whetstones (JNATs) in this batch, it ranks second in hardness but boasts the highest purity. It provides a very smooth sharpening experience and is capable of