Ernie Ball Cobalt guitar strings last longer‎,‎ retaining their brightness long after other strings have given up the ghost‎.‎ Steve Morse reported having a set on one of his guitars ‎"‎for several weeks‎,‎‎"‎ and with daily use ‎- ‎"‎sweaty hands‎"‎ and all ‎- the Cobalts ‎"‎still sound bright‎.‎‎.‎‎.‎ They just don‎'‎t have that dead sound‎,‎‎"‎ he says‎.‎ So‎,‎ with higher output‎,‎ better sound‎,‎ and the monetary benefits of not having to change strings so often‎,‎ Cobalts have it all over traditional alloy formulations‎.‎ Check out a set of Ernie Ball Cobalt strings Punchier‎,‎ higher output stringsBeefier lows‎,‎ with increased definition and growlIncreased midrange focus‎,‎ harmonics‎,‎ and sustainLonger‎-lasting than conventional strings‎.‎010‎,‎ ‎.‎013‎,‎ ‎.‎017‎,‎ ‎.‎026‎,‎ ‎.‎036‎,‎ ‎.‎046Made in USA