Yoshihiro Mizuyaki Blue High Carbon Steel Kurouchi Gyuto Japanese Chef Knife 8.25in Shitan Handle with Nuri Saya Cover Grade: Black Finish Kurouchi /Knife Type: Gyuto (Chef Knife) Steel Type: Mizu-yaki Aoko 2 Blue High Carbon Steel Blade: Double-Edged / Blade Length: 8.25 Inch (210mm) Bolster: Shitan Bolster/ Handle Material: Round-Shaped Shitan Rosewood Hardness Rockwell C scale: 62-63 / Saya Cover : Lacquered Nuri Saya Included