Fender Classic Core electric strings go straight to the heart of classic tone for modern guitar. Designed with "vintage-spec" round core wire rather than the modern hexagonal type, Classic Core strings sound and feel perfectly seasoned as soon as you put them on your guitar. They deliver more expansive lows, softer highs and extra flexibility for expressive bends. Fender Classic Core electric strings go straight to the heart of classic tone for modern guitar. Designed with “vintage-spec” round core wire rather than the modern hexagonal type, Classic Core strings sound and feel perfectly seasoned as soon as you put them on your guitar. They deliver more expansive lows, softer highs and extra flexibility for expressive bends.

255R is the Regular gauge set: .010, .013, .017, .026, .036, .046.