XS Electric Nickel Plated Steel String For Electric Guitar, Super Light Gauge Set For Easy Bends And Great Vibrato, Ultra Thin Film Coating Extends String Life Between Changes, Smooth And Sleek Feel On Fingers, Great Tone Long lasting with rich harmonics, clarity and definition, Fusion Twist technology that improves tuning stability, NY Steel hex core that offers superior tuning and stability, Digitally controlled winding that ensures consistency from set to set, Gauges: .009, . .011, .016, .024, .032, .042, roundwound winding.