Nickel Bronze acoustic strings are made to bring out the unique tonal characteristics of your guitar, allowing its natural voice to shine through. This distinctive string alloy creates a clear, focused sound, magnifying the sonic properties of the guitar’s wood. Made with a NY Steel core and nickel-plated phosphor bronze wrap wire, Nickel Bronze strings get you the most out of your guitar and your playing. This 12-56 Light Top/Medium Bottom set has powerful low-end, while maintaining flexibility for soloing. Features: - •\tDelivers a full tonal spectrum, revealing the unique tonal qualities of your acoustic guitar •\tIncreased corrosion resistance for a longer lasting uncoated string •\tFeatures D’Addario’s exclusive high-carbon NY steel for unprecedented strength and tuning stability •\tEnvironmentally-friendly, corrosion-resistant packaging keeps strings fresh •\tMade in the U.S.A. for the highest quality and performance •\tString Gauges: Plain Steel .012, .016, Nickel Bronze Wound .025, .035, .045, .056