D'Addario XT Extended Life Phosphor Bronze Akustiksaiten 12-53, XTAPB1253
Light gauge (XTAPB1253). These strings are made to stay, with uncompromising performance that never fades away. I'm a guitarist with 20+ years experience. D'Addario quote -. 6 - 0.053". 5 - 0.042".