Tamahagane knives are distinctive yet classic, high quality, extremely sharp, and durable enough for everyday use. Meticulously crafted, the core layer is VG-5, High Carbon Molybdenum Vanadium Steel, enveloped by a layer of SUS410 (13 Chrome Stainless Steel) on one side. The powdered steel contains a lot of carbon and has an unprecedented hardness of approximately 61 Rockwell.