YOSHIHIRO Ice Hardened High Carbon Stainless Steel Wa Sujihiki (Slicer) Japanese Sushi Sashimi Chef Knife 10.5" (270mm) Grade : Ice Hardened High Carbon Stainless Steel / Knife Type: Sujihiki (Slicing Knife) Steel Type : Aus-8 Stain Resistance Steel Blade: Double-Edged / Blade Length: 10.5" (270mm) BOLSTER: Double Redwood (BOLSTER COLOR -VARIES) / Handle Material: Octagonal Shaped Rosewood Hardness Rockwell C scale: 60 / Saya Cover : Lacquered Magonlia wooden Saya Included