Hannabach Strings for classic guitar Series 728 Custom Made Carbon - Set with carbon treble (728HTC)CUSTOM MADE with CARBON Treble The legendary CUSTOM MADE now also with CARBON Treble! Professional strings for classical guitar Excellent bass strings, medium tension, consisting of an extremely strong synthetic fibre, wound with hard, silver plated round wire, nickel and cadmium free. The most environmentally friendly packaging in this series consists of just one paper bag D4 string without separate wound Made in Germany Special set Custom Made