Features 1、Hex High Carbon Steel Core: This acoustic string is made of hex high carbon steel core, which is strong and durable, tough, not easy to be damaged, and has a long service life. 2、Erosion Resistant: This guitar string is coated with phosphor bronze overlay and PVD ionic overlay, which can well protect the string from oxidization and erosion. 3、Good Performance: This phosphor bronze guitar string is high performance with a sleek surface, very balanced tone, and good tuning stability. 4、Easy To Install: This guitar strings replacement is very easy to install, no need for complicated operation and professional tools, very simple and good to get started. 5、Wide Application: This acoustic guitar string has a wide range of applications and can be used for daily practice, stage performance, music recording and so on. Specification Item Type: Guitar Strings Quantity: 6 Strings Material: High Carbon Steel Core, Phosphor Bronze Coating, String Bead (Gold), PVD Ion Coating Gauge: .012-.053 Package List 1 Pack x Guitar Strings (6 PCS)