[Machine Translation] Lightweight type of Technihard material, PCOCC lead wire. Micro Vickers hardness over 400. Technihard is a special processed aluminum material developed from NASA's technology, which has a surface hardness as hard as a file. Lightweight and fast sound propagation speed makes it suitable for acoustic yaw materials. As a structural material for headshells, arm pipes, stabilizers, etc., Technihard provides strength, durability, and high sound quality that cannot be obtained with ordinary anodized aluminum. ( Product Specifications and Description ) / Technihard, a space technology high speed super hard material. / Technical data Weight: 13.0g