GHS BIG CORE NICKEL ROCKERS - STRING SET FOR ELECTRIC GUITAR Gauge: 0095/0115/016/028/038/048 Type: Roundwound Material: Pure nickel (wound) GHS - BIG CORE NICKEL ROCKERS: Starts with a slightly bigger core wire, which helps improve tone and increase sustain and tone life. For those that detune/ drop tune, the bigger core helps you keep equal tension as you tune down. The ½ size plain steel strings help to keep the set balanced. Finished with a high quality, pure nickel cover to give you a sweet, vintage, mid-bright tone with excellent volume. Designed for maximum feel, balance and endurance. PLAY WITH THE BEST: GHS is one of the best-selling strings in the world. USA made according to the latest technology.