UltraCore™ Nickel-Plated Steel strings are designed for players who demand more—delivering ultra-refined feel, defined clarity, and fortified tuning stability. At the heart lies our reinforced UltraCore™ high-carbon steel wire, engineered for rock-solid pitch control and unmatched strength under pressure. Wrapped in premium nickel-plated steel, these strings offer enhanced tone, durability and razor-sharp definition that elevates every note.

1250L: .009, .011, .016, .024, .032, .042
1250R: .010, .013, .017, .026, .036, .046