Martin MA540S Acoustic Marquis Silked 92/8 Phosphor Bronze Guitar Strings 12/54

Features: Strings designed by C.F. Martin & Co. to provide superior tone for your acoustic guitar Silk-wrapped ball ends protect your bridge and increase longevity Highest-quality materials mean outstanding tone, response, and durability Strings subjected to Martin's rigorous premarket testing to ensure consistency and quality Gauges: .012, .016, .025, .032, .042, .054 Core Material: Steel Winding Material: 92/8 Phosphor Bronze, Silk-wrapped Ball End Non-coated New, unopened package. Buy from me. I'm a small business. And very nice. :)