Features:1. Brass winding, hexagonal steel core is sturdy and durable, brass is bright in color, and has strong oxidation resistance.2. The exquisite workmanship of the metal string head securely locks the strings, sturdy and durable, and has a long service life.3. The design of anti-rust coating makes the strings sound stable and uniform, and the strings are smoother, protecting the strings from pollution and corrosion. Description:This string material is sturdy and durable, matching the shape of many guitars, and suitable for replacing guitar strings. Specifications:Size: about 7cm / 2.8 inchMaterial: copper alloy / stainless steelQuantity: 6 pieces Package Included:6 *guitar stringsNotes:1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from real object.