EJ60NY feature plain strings and hexagonal cores made of our revolutionary NY High Carbon Steel for unprecedented strength and pitch stability. This set offers light playing tension for a comfortable feel with bright tone and dynamic projection. These sets are loop end construction for universal fit. D'Addario banjo strings are trusted by legends like Ralph Stanley, Rob McCoury, Ron Block, Alison Brown, and more, for their authentic tone and reliable performance. They are made from the highest quality plain steel, stainless steel, nickel plated steel and phosphor bronze and available in a wide variety of gauges. Feature D’Addario’s exclusive New York manufactured, high carbon steel alloy for unprecedented strength and pitch stability Reformulated nickel steel for a bright tone with dynamic projection String Gauges: Plain Steel .009, .010, .013, Nickel Wound .020, Plain Steel .009 Environmentally friendly, corrosion resistant packaging for strings that are always fresh