A combination of sharpness, comfort and functionality provides a perfectly balanced knife. xperience the beauty of sharpness with the MIYABI 4000FC series. The blade is made from a single layer of FC61 steel, a proven material in terms of hardness (HRC 61) and durability. Comfortable Pakka wood octagonal handle. Engraved Miyabi logo. Blade material: FC61 Hardness: 61 HRC Katana style blade edge Combination of sharpness, comfort and functionality