12 sets of Slinkys in blue packaging. Made from pure nickel wire wrapped around tin-plated, hex-shaped, steel core wire. 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.

Also includes one dozen Ernie Ball picks made of cellulose nitrate for best all-around feel and durability.