Ideal for extreme string bending, this set of custom light Optima Gold strings is a favourite amongst vibrato lovers! For this set of Optima Gold Strings, the finest laboratory steel is used. In addition the strings are plated with 24 Carat Gold. This unique combination of alloy and gold plating guarantees full protection against corrosion (ensuring greatly extended life), excellent sustain, perfect intonation and a brilliant tone for far longer.