Description Features & Specifications 0.4mm, Twisted Pair, Insulated Gold-Plated Solid Core OFC Wire, PFA SleevingFeaturesGold-plated OFC offers superior sound (no nickel)High electrical rating (600V) & excellent resistance to heat (250°C)Low dielectric constant (≤2.1/60Hz) of PFA (Teflon)Twisted Pair 0.4mm solid core (red and clear)