Kurouchi Series SantokuKikuichi's Kurouchi Carbon Steel Clad Santoku series is a heavy ironclad knife that feels substantial in the hand while the walnut handle is smooth and warm. The White #2 Carbon edge with soft black iron cladding provides a distinctive look as the final layer of iron has an oxide coating to help prevent rust. Heavy and solid, these knives are heavy duty workhorses Hand engraved with the Kikuichi chrysanthemum logo.