Yoshihiro Blue Carbon Steel Hongasumi Edo Usuba Japanese Vegetable Knife 8.25 Hand Lacquered Fukui Urushi Grade: Hongasumi / Knife Type: Edo Usuba Vegetable Knife Steel Type: Aoko (Blue Steel #2) High Carbon Steel Blade: Single-Edged/ Blade Length: Available in 8.25" (210mm) BOLSTER: Water Buffalo Horn (BOLSTER COLOR -VARIES) / Handle Material: Hand Lacquered in the Japanese art of Fuki Urushi Hardness Rockwell C scale: 63-64 / Saya Cover: Lacquered Magnolia Wood Saya Included