Description These guitar strings are made of copper alloy material, which is strong and can be used for a lasting time. Excellent workmanship and fine details assure its popularity and durability. Perfect guitar strings for string instruments such as folk guitar. Features -Color:As Shown -Material:Copper alloy -Size:11.90X10.70X0.70cm/4.68X4.21X0.28in- Diameter: 0.25mm; 0.36mm; 0.58mm; 0.76mm; 0.99mm; 1.19mm - Copper alloy strings are professional, rust-proof, excellent hand feeling, strong corrosion resistance.- High durability. The string tension is moderate, the resonance is full, the penetrating power is strong.- Made of copper alloy material with maximum corrosion resistance and durability, the guitar strings guarantee high performance.- Sophisticated production, with good performance, guitar strings are responsive and responsive, brings you more convenience.- Compatible with the color matching of various folk guitar. Guitar string is a good gift for yourself or family and friends.Packing list: 6 x acoustic guitar strings