Description Ernie Ball 11-48 Power Slinky 6-String Electric Guitar Set.  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, .028, .038, .048 “There was only one time I felt power akin to these here slinkies, and I do not want to talk about it.”      – Matty Connolly of The Axe Palace