100% pure RED copper raw materials in Japan .
Hand Made polished metal conductor, Processing the copper surface,Surface Plated layer of bright nickel plating→Flash Gold plated→24K Gold plated → CRYO -196.
Increase the density of metal, hardness and impact toughness.
Metal conductor and the contact portion between the metal wire, Use of concave and convex security design, Perfect contact, Can withstand the pull of 8KG.