D'Addario NBM1038 Nickel Bronze Mandolin Set, Light, 10-38 D'Addario's premium uncoated light gauge mandolin string set that provides a crisp and clear sound to accentuate the unique tone of your mandolin. NBM1038 delivers the right amount of tension for easy playability and projection. Loopend construction for universal fit. Feature D?Addario?s exclusive high-carbon NY steel for unprecedented strength and tuning stability String Gauges: Plain Steel .010, .015, Nickel Bronze Wound .024, .038