Product Description Ernie Ball Power Slinky electric guitar strings are a perfect match for those who like chunky rhythms for rock and roll or blues. Power Slinkys have long been favored by Slash, Metallica, and Kenny Wayne Shepherd due to the thicker gauge combination, providing a slightly more powerful tone. These electric guitar strings are precision manufactured to the highest standards and most exacting specifications to ensure consistency, optimum performance, and long life. Power 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 and well-balanced tone for your guitar. Power Slinky gauges are .011 .014 .018p .028 .038 .048. From the Manufacturer 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