Silvered Copper is our most popular option for guitarrón. Our bass A, D and G strings are made with round steel core wire, wrapped in nickel plated steel and genuine silver-plated copper. They are available in standard (medium) and light tension. Our basses are paired with nylon treble (AEC) strings available in light tension, standard tension, heavy tension or our signature silk-core (medium-heavy tension) Especiales.