Ernie Ball 2221 Nickel Regular Slinky Electric Guitar Strings 3 Pack Gauges 10-13-17-26-36-46 Three-pack of Ernie Ball 2221 Regular Slinky Electric Guitar Strings Gauges 10-13-17-26-36-46 Ernie Ball 2221 Regular Slinky Electric Guitar Strings feature nickel-plated steel wire wrapped around tin-plated, hex-shaped, steel core wire Slinky strings provide vibrant, bright, lasting tone and reduce fret wear