D'Addario best-selling electric guitar strings come together in this sample pack. You'll get D'Addario light-gauge and strings packed together in a limited-edition collectible D'Addario tin. The XL Nickel strings offer a bright tone. The NYXL strings feature a bright tone with strength and tuning stability. The Pure Nickel strings bring a vintage sound to your contemporary guitar style Each set of strings is carefully sealed in corrosion-proof packaging.