Guitar 6 strings set, suitable for acoustic folk guitars. Special coating can protect the strings, preventing corrosion from the air and extend the service life of the strings. With hex-angular steel core and protective coating, strings are not easy to fray, so that to minimize the impact to the tone and vibration of the strings. 6pcs folk guitar strings, 0.011-0.052inch diameter, standard size for universal use. Full bright tone, smooth hand feel, professional choice for finger-style / stage playing.