1.Coated steel,steel core, coated 80/20 bronze wound 2.Reasonable price; 3.Fine quality guitar strings; 4.Imported material SPOCK GUITAR STRINGFeatures:12 string electric guitarsImported high-carbon steel hexangular alloy;Nickle Wound;guitar selectric guitar stringtrings electricWound tightness and homogeneous,excellent resonates;Good feeling,pitch stability;Special rust-proof treatment, long ...