E-Bass Unique 24K gold 045-065-085-105 Developed and handmade in Germany from the finest materials and for highest tonal demands. This series reflects our 90-year tradition of string manufacture. The result is a string of unmatched premium quality. All strings are coated with real 24 carat Gold and are therefore completely insensitive to tarnishing or corrosion. Their durability is, compared to normal strings, up to three times higher and they are suitable for people allergic to nickel. GOLD STRINGS are characterized by a brilliant sound and the typical SOUND OF GOLD, which was also loved by John Entwistle. And of course, also Brian May plays on his guitars OPTIMA GOLD STRINGS. All strings of this series can also be manufactured as Double Ball version with a 20% surcharge.