For high-hardness blades such as powdered high-speed steel and blue paper super

180mm-295mm

width 28mm

270g (including sheath) Approx

easy to grind and excellent sharpness

"NAKAYAMA", Tennen Toishi (Japanese Natural Whetstone). Ground layer "TOMAE" 1245g without Hand Guard For high-hardness blades such as"NAKAYAMA", Tennen Toishi (Japanese Natural Whetstone). Ground layer "TOMAE" 1245g Specification Size: Original size: Length approx. 220mm x Width approx. 82mm x Thickness approx. 31mm Weight: 1245g Use: Finishing of blades Origin: Kyoto Features: This is a natural whetstone from Nakayama, known as the best natural whetstone. Nakayama's characteristic is its fine grain and tightness, which allows for sharpening of blades. Furthermore, it is a