Optima Gold Bass Strings guarantee the best protection against corrosion, more flexibility and longer endurance than normal strings. This will ensure a well balanced sound and brilliance of tone allowing you to express more through music. For these sets of strings, the finest laboratory steel is used, and in addition, the strings are plated with one of the worlds most precious metals - 24 Carat Gold. Optima Gold is the ultimate development in guitar and bass strings, a masterpiece of the future at your fingertips today - you deserve the best.