| Optimally designed for today's modern, shorter scale electric baritone guitars EXP Coated phosphor bronze for warm, bright, well balanced acoustic tone and 4 times more life Feature D'ADDARIO’s exclusive New York manufactured, high carbon steel for unprecedented strength and pitch stability. | Environmentally friendly, corrosion resistant packaging for strings that are always fresh String Gauges: Plain Steel .016, .022, Phosphor Bronze Wound .029, .048, .060, .070 |