Unique Patent Pending Design that focuses on rich ultra-dense African Blackwood Handle Hand Crafted from Japan VG10 Steel with HRC 60 +/- 2 on the Rockwell Hardness Scale 12-Inch Sashimi is perfect for creating razor-thin slices of fish and soft meats for sashimi Each Knife comes with dark walnut wood magnetic Saya style sheath Hand wash only, limited lifetime warranty