meaning that the residue works as coating on the carbon steel to prevent from rust

It is not suitable for cutting branches or splitting firewood

Blade length 120mm

is hard and resistant to wear

HONMAMON "MOTOKANE" Funayuki Kurouchi Aogami No

AZUMASYUSAKU Unagi eel knives 180 mm Edo type, Aogami steel no.2 Noodle knife meaning that the residue worksAZUMASYUSAKU Unagi eel knives 180 mm Edo type, Aogami steel no. 2 Size total length 290 mm(79x11. 4inch), Blade length 45 mm(1. 7inch), Weight 210g(4. 3oz) Material: Aogami steel (Blue steel no2) Made by craftman. For eel cooking. Item no. 4573200716454 Import duties; taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility.