Feature: 1. Complete 6 String Set: The acoustic guitar string kit offers 6 pieces replacement guitar strings in different specifications to meet your more tonal needs, with a wide range of applications 2. Alloy Steel Core Phosphor Bronze Coating: Crafted with alloy steel core with phosphor bronze coating, these guitar strings are sturdy and rustproof, and ensuring long lasting performance 3. Phosphor Bronze Winding: The replacement guitar string features phosphor bronze winding, which not just ensures well sound quality but also provides a smoother playing experience 4. Rustproof Coating: These acoustic guitar strings feature a rustproof coating on their exterior, ensuring a delicate appearance, comfortable playing feel and sustained durability over time 5. Replacement Parts: Suitable for replacing worn out or damaged strings on your acoustic guitar, this string set ensures stable performance during guitar playing and practice sessions Specification: Item Type: Guitar String Set Material: Hexagonal Alloy Steel Core, Phosphor Bronze Coating, Ball End (Gold Color), PVD Ion Coating NOTE INCH MM E-1 ST 0.01 0.25 B-2 ND 0.014 0.36 G-3 RD 0.023 0.58 D-4 TH 0.03 0.76 A-5 TH 0.039 0.99 E-6 TH 0.048 1.22 . Package List: 6 x Guitar Strings