Ernie Ball 2226 Burly Slinky Nickel Wound Electric Strings 11-52 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: .011, .014, .018p, .030, .042, .052