Feature:1. 6 Strings in Kit: Our guitar string kits come with 6 specifications of guitar strings that are 009 011 016 024 032 042, specifications to meet your daily replacement needs.2. Accurate: These guitar strings are accurate, manufactured to standards and specifications to ensure consistent, stable performance.3. Smooth Wound: These guitar strings are made with smooth wound strings wrapped around a hexagonal steel wire core to give you a comfortable use.4. Light Weight: The overall weight of our guitar string kits is light and very easy to carry and install, allowing for easy storage.5. High Carbon Steel and Nickel Coated Steel: Specification 009 011 016 guitar strings are made of zinc coated high carbon steel and 024 032 042 are made of nickel coated steel with excellent craftsmanship.Specification:Item Type: Guitar StringsMaterial: 009,011,016 are zinc coated high carbon steel024,032,042 are nickel coated steelSpecification: 009,011,016,024,032,042Suitable: For electric guitars with tremolo system, most of these electric guitars are 09-42 strings by factory default..Package List:6 String x Guitar String