Daddario XTAPB1253 Light, String Set for Steel String Guitar, String thicknesses: .012, .016, .024w, .032w, .042w, .053w, Successor to the well-known EXP16 strings, Thickness: Light Tension, Material (winding wire): Phosphor 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"" and wih ""Fusion Twist"" attachment of the ball ends, High break resistance and stability in tuning