La Bella 7GPUL Phosphor Bronze UL

La Bella 7GPUL Phosphor Bronze UL, 6-string set for acoustic guitar, ultra light tension, material: phosphor bronze, round wound, made with an exclusive Bronze and Tin alloy for a brighter tone and longer string life than average Phosphor Bronze Strings, modified atmosphere packaging to prevent tarnishing and ensure freshness, string gauges: .009, .012, .015, .025w, .036w, .048w, made in USA