Ernie Ball Regular Slinky electric guitar strings are our top selling set and are favored by musicians across many genres. Regular Slinky strings are played by Eric Clapton, John Mayer, Steve Vai and legions of guitar players worldwide. These electric guitar strings are precision manufactured to the highest standards and most exacting specifications to ensure consistency, optimum performance, and long life. Regular Slinky wound strings are made from nickel-plated steel wire wrapped around a hex-shaped steel core wire. The plain strings are made of specially tempered tin-plated high-carbon steel, resulting in a bright yet well-balanced tone for your guitar.