Ernie Ball Regular Slinky Electric Strings are our best selling set, and are favored by many musicians around the world. Regular Slinky strings are played by Eric Clapton, John Mayer, Steve Vai and legions of guitar players around the globe. These strings are precision manufactured to the easiest standards and such a lot exacting specifications to make sure consistency, optimum performance, and long life. Regular Slinky wound strings are constructed from nickel plated steel wire wrapped around a hex shaped steel core wire. The apparent strings are product of specially tempered tin plated high carbon steel; producing a well balanced tone on your guitar.