D'Addario's premium uncoated acoustic string set that provides a crisp and clear sound to accentuate the unique tone of your guitar. NB1656 delivers the ideal balance of volume, projection and comfortable playability for your Resophonic guitar. Nickel Bronze strings are the premium uncoated acoustic strings by D’Addario. Featuring an innovative combination of nickel-plated phosphor bronze wrapped onto a high carbon NY steel core. • MSKU NB1656 • UPC 019954194963