ECB81-5SL- Regular Light D'Addario Chromes Flatwound Bass strings are famed for their smooth feel and warm, mellow tone. The strings are wound using an outer flattened, ﾓribbon" wire which is then polished to a smooth finish. Chromes deliver a deep, rich low end tone that's idea'l for jazz and R&B, but also has applications in contemporary pop music.