Built with a hexagonally-shaped tin-plated core steel wire wound in tempered nickel-plated wire for a striking balance of tone and durability, the Ernie Ball 2222 Hybrd Slinky Electric Guitar Strings bring the best of the Regular and Super Slinky models. Balanced and bright, these strings offer a great fret feel and even low/hi response in your playing so you can have your sonic cake and eat it too.