They are made by forging steel and mild steel

try inserting it lightly and see which way fits better

〈Long Type 120mm〉

blade width: 21mm

HONMAMON "AZUMASYUSAKU" Japanese Hunting Knife with Carving of Hawk 240mm Outdoor Knife

"MOTOKANE" Kurouchi Gyuto Knife (Japanese Chef's Knife) Aogami Super Steel, Rosewood Handle, 210mm Wooden Box:Not included They are made by forging"MOTOKANE" Gyuto Kurouchi (Chef's Knife) Aogami Super Steel, Rosewood Handle, 210mm **This item comes with free shipping (shipping costs are covered by our company). Please note that in the case of a return, the roundtrip shipping cost will be the customers responsibility. ** Material: Blade: Aogami super, Base metal: Soft iron, Handle: Rosewood, Ferrule: Laminated red plywood Blade shape: Double edged Blade finish: Black finish Handle shape: