Rotosound Nexus Acoustic Coated Phosphor Bronze String Set | Medium 12-54Nexus Acoustic Coated Medium 12 54 The result of many requests from Rotosound players for a coated string. The windings use the 92 8 phosphor bronze of our Jumbo King strings but with a clear polymer coating that allows for a more subtle tone, longer string life, subdued finger noise and highly resistant to perspiration from the players hands. The unwound strings are made from a special platinum plated piano wire. Tension Chart Note Diametre Tension E