The D'Addario CG040 Flat Wound Single String .040 Gauge is a single electric guitar string, made from stainless steel, and flat wound with a gauge of .040. D'Addario Chromes are wound with flattened stainless steel ribbon wire which is polished to an incredibly smooth surface. Chromes deliver a distinctive damped but tone-rich sound that only flat wounds can produce. D'Addario Chromes are the world's most popular flat wound strings.
The main features of the D'Addario CG040 Flat Wound Single String .040 Gauge include: