Daddario XTABR1047 Light, String Set for Western Guitar, String thicknesses: .010, .014, .023w, .030w, .039w, .047w, Thickness: Light Tension, Material (winding wire): Bronze, Winding type: Round wound, Microscopically thin, moisture-repellent coating on all 6 strings does not affect the tone or touch, Made of ""HIGH CARBON NEW YORK STEEL"" in combination with ""FUSION TWIST"" for attaching ball ends, these strings provide extremely high break resistance and tuning stability