- A beautiful iconic folding knife that cuts paper, wood, craft - A tool you will cherish for a lifetime - Made by one single craftsman This is world’s simplest yet highly versatile folding knife which has kept its traditional shape since the Meiji era (1868-1912). The blade is made of one of the hardest metals called Aogami (blue steel). The Brass knifes can be perfectly polished and sharpened at home, making it a precious tool with the patina always coming back, showing higonokami's true value: being an humble and daily tool for the ones who appreciate them. - Medium: 165 mm unfolded, 72 mm blade length - Extra Large: 210 mm unfolded, 95mm blade length By special order will take more time so please email us to inquire about availability: - Extra Small: 91 mm unfolded, 38 mm blade length - Large: 172 mm unfolded, 74 mm blade length