Blacksmith Nano Carbon Coated Strings offer the perfect balance of tone, playability and longest sustaining sound. Made from high quality raw wire that is manufactured in the USA, strings are finished on Blacksmith advance automatic system to ensure absolute precision and dynamic consistency. The Nano Carbon Coating provide protection from dirt, debris, moisture, skin particles and other harmful particles that can get stuck in windings, weakening tone. In addition, nano coating prevents rust and oxidation, reducing finger squeaks, fret wear and flaking while staying in tuneSuper long scale (35")Nano-Carbon CoatedLong lastingIncreased sustainPurer toneStable tuningAccurate intonationSuperior & faster playabilityPrecision Made from USA SteelClick here to read more about BLACKSMITH technology.