Ernie Ball electric guitar strings. Gauge is .009-.042, nickel wound strings. The package has some scuffs, but it is a new, unopened item. Please only purchase if you don't mind that it has been handled by someone else. Instant purchase is OK. ■ Electric guitar strings ■ Nickel wound ■ SUPER SLINKY ■ 009, 011, 016, 024, 032, 042