C. F. Martin & Co. know a thing or two about guitars and strings. And they design their strings to perform to the expectations of the most demanding musicians and playing styles. The M260 Classical 80/20 Nylon String set is a normal tension set with 80/20 bronze wrap wire. The nylon cores deliver a smooth, soothing tone with tons of warmth. The 80/20 bronze wrap adds a dash of brightness and livens up the overall tone. Ball end strings are incredibly easy to replace, and allow you to turn your steel-string axe into a nylon string in no time flat. So what are you waiting for? Pick up a pack of Martin M260 Classical Nylon Strings and experience the soothing tones today.