Gauges 12-16-24-32-44-54.Ernie Ball 2206 electric guitar strings are made from nickel-plated, steel wire wrapped around tin-plated, hex-shaped steel core wire. Ernie Ball Slinkys are by far the most popular guitar strings. Produces well-balanced, all-around good sound.All Ernie Ball strings are precision manufactured to the highest standards and most exacting specs to assure consistency, optimum performance, and long life. Ernie Ball is the pioneer of rock and roll guitar strings. Jimmy Page, Eric Clapton, Steve Vai, and Slash are among the long list of Slinky players.