Edge of Blade : Aogami No1 Steel (Blue Paper Steel) which contains High-Carbon. Hardness :around HRC61 +/- 1., Cut Well!
Double Bevel. Available for both Right and Left Hander
Made in Japan! （Tosa) Handmade by Tosa Craftsment! Kurouchi : Rough Appearance, but you can feel Tosa Craftsmen Spirits!
It is a knife blacksmith made by traditional style. Aogami No1 steel is a superlative steel for professional knives. so it is extremely sharp and sharpness last longer. However,it gets rust easily so it needs maintenance .