The blade will not temper even if it is ground with a grinder

This natural whetstone is from Mt

): Width 20mm (approx

Blade: Shirogami 2 steel

"MIKIHISA" Utility Knife Hammered Pattern Shirogami steel no.2 for left-handed, 120mm Single Bevel Filleting Set The blade will not temper"MIKIHISA" Utility Knife Hammered Pattern Shirogami steel no. 2 for left handed, 120mm Single Bevel Specification Size: Total length 240mm, blade length 120mm, blade width 30mm (base), blade thickness 3mm, handle length 115mm, width 23. 5mm, thickness 18mm Weight: about 75g Material: Blade: Shirogami No. 2 Steel, Base metal: Mild steel Handle: Poplar Ferrule: Plastic Blade shape: Single edged, Available for left handed. Blade finish: Hammered Pattern