Timberidge Light Phosphor Bronze Long Life Coated 12-String Acoustic Guitar Strings (10-47)Timberidge long life Phosphor Bronze acoustic guitar strings impart richness and warmth to the tone of your guitar without sacrificing clarity. In addition to their superb tonal characteristics, the Timberidge long life coating ensures your strings sound and feel better, for longer. 12 String Set Gauges: . 010 . 014 . 023 . 030 . 039 . 047 . 010 . 014 . 008 . 012 . 018 . 027