Ernie Ball Earthwood Light Phosphor Bronze Acoustic Guitar Strings, 11-52 Gauge (P02148) Description Ernie Ball Earthwood Phosphor Bronze acoustic guitar strings are made from 92% copper, 7.7% tin, 0.5% phosphorus wire wrapped around brass-plated hex-shaped steel core wire. Phosphor Bronze produces a rich tone with excellent clarity. Gauges .011, .015, .022w, .030, .042, .052. Features: Warm, rich tone with excellent projection and clarity Light gauge provides playability and comfortable fretting while maintaining rich, expressive tone Phosphor bronze wound on a hex-shaped, high-carbon steel core wire Element Shield Packaging prolongs string life and keeps strings as fresh as the day they were made Made in California, USA with the freshest and finest materials Product Details: Brand: Ernie Ball String Gauge: .011 - .052 Color: Light (11-52) Instrument: Acoustic Guitar String Material Type: Phosphor Bronze Item Weight: 1.47 ounces Product Dimensions: 4.5 x 0.25 x 4.5 inches Country of Origin: USA Item model number: P02148 Is Discontinued By Manufacturer: No Date First Available: August 7, 2005 Color Name: Light (11-52) String Gauge: .011 - .052 String Material: Phosphor Bronze Number of Strings: 6 Size: Single Pack Color Screen: No Voltage: 240 Volts