Introducing Tamahagane (玉鋼). Tamahagane is a unique Japanese steel used as the raw material for Japanese swords, produced using the tatara method. It is made by operating for three days and nights using iron sand, charcoal, fire, and water as raw materials. Please take this opportunity to collect this precious Tamahagane. Dimensions: Height Width Depth Large grain: Approximately 2.4 x 3.7 x 3.3 cm Weight: 62.0g Included: * Booklet on the Nihonto (Japanese sword) and Tamahagane * Instructions on the Japanese sword manufacturing process Original price: 16,200 yen Special discounted price: 11,000 yen * We do not ship overseas. * Please refrain from purchasing if you are seeking perfection. * Returns are not accepted after receipt.