Yoshihiro Super Blue Steel Clad Gyuto Chefs Knife Rosewood Handle (9.5"/240mm) Grade: Aoko Blue Super Forged Steel / Knife Type: Gyuto Chef's Knife (Double Edged) Blade Material: Super Blue High Carbon Core (HRC:65-66) Saya Cover: Magnolia wood Lacquered Saya cover Included 240mm (9.5 IN) Simple and elegant design with a handcrafted Octagon Shitan handle for a light and well balanced construction. Hand wash only and sharpen on quality whetstones. Comes ready to use out of the box. 100% handcrafted in Japan. Not mass produced.