Japanes yasuki white high-carbon steel blades supported by softer low-carbon steel. Hand-forged and hand finished in Sakai by experienced knife crafts-men. VERY sharp and holds the edge well. Round magnolia wood handles, with buffalo horn bolster. Collor of handle and bolster varies from knife to knife. Not dishwasher proof. Tinkle-hardness 60-61 skirt-corrugate C°, two-ply. Important tips to the care and handling find you here.