Ernie Ball Power Slinky Custom Gauge Nickel Wound Guitar String - Set .011 - .048 (12 Pack) Three-pack of Ernie Ball 2220 Power Slinky Electric Guitar Strings Gauges .011, .014, .018p, .028, .038, .048 Ernie Ball 2220 Power Slinky Electric Guitar Strings feature nickel-plated steel wire wrapped around tin-plated, hex-shaped, steel core wire Power Slinky Electric Strings are a perfect match for those who like chunky rhythms for rock and roll or blues Slinky strings provide vibrant, bright, lasting tone and reduce fret wear Made in California, USA!