Ernie Ball Nickel Wound Electric Guitar Strings are made from nickel plated steel wire wrapped around tin plated hex shaped steel core wire. The plain strings are made of specially tempered tin plated high carbon steel producing a well balanced tone for your guitar.

Gauges:
Mammoth Slinky: .012, .016, .024w, .034, .048, .062
Not Even Slinky: .012 .016 .024p .032 .044 .056
Beefy Slinky: .011, .015, .022p, .030, .042, .054
Burly Slinky: .011, .014, .018p, .030, .042, .052
Power Slinky: .011, .014, .018p, .028, .038, .048
Mondo Slinky: .0105, .0135, .0175, .030, .042, .052
Mega Slinky: .0105, .0135, .0175, .028, .038, .048
Skinny Top/Heavy Bottom: .010, .013, .017, .030, .042, .052
Regular Slinky: .010, .013, .017, .026, .036, .046
Turbo Slinky: .0095, .012, .016, .026, .036, .046
Hybrid Slinky: .009, .011, .016, .026, .036, .046
Super Slinky: .009, .011, .016, .024w, .032, .042
Extra Slinky: .008, .011, .014, .022w, .030, .038