Extra light 6 string set for acoustic guitar from Phosphor Bronze series that features strings made with exclusively formulated bronze and tin alloy, producing a brighter tone and longer string life than any other phosphor bronze set on the market. Since its introduction in the 1970s, it has become LaBelle’s most popular acoustic set for all genres of music. The set is packaged using MAP Technology (Modified Atmosphere Packaging) to prevent tarnishing and ensure freshness. Gauges: .010, .014, .020W, .028, .038, .050.