Set of three packs of VintageBronze Signature strings for acoustic guitar. VintageBronze gives you clarity, tone, and response like no other string. Add a great feel and long life, and there's not much more you could ask for. Made of 85% Copper and 15% Zinc, this true bronze string has been delivering satisfaction to the most demanding acoustic players since its very beginning in 1972. Each pack features set of six strings. String size: .011 / .015 / .024 / .032 / .042 / .052.