DAddario EJ40 Silk & Steel Acoustic Guitar Strings are designed and gauged specifically for guitarists who use traditional fingerstyle methods and prefer a warm mellow tone. They couple silver-plated copper wrap wire with silk interwindings for easy fingering and a mellow tone. They are excellent for smaller body acoustic guitars and preferred by many folk players for their soft feel on the fingers. With increased corrosion resistance and environmentally-friendly stay-fresh packaging EJ40 Silk & Steel Acoustic Guitar Strings are made to last. Youll find a well-balanced sound with each string presenting harmonically rich overtones thats perfect for both touring musicians and studio performers alike.