Custom light 6 string set for acoustic guitar that contains strings with an award-winning and patented Cleartone Treatment – only one micron thin layer that does not flake, feel slippery or damp the tone. It also improves longevity of the tuning and overall volume output, and provides resistance to corrosion. Strings are made with hexagonal cores and phosphor bronze winding that delivers rich, warm sound. Gauges: .011, .015, .024, .032, .042, .052.