Manufactured with brass material, these guitar strings are practical for a lasting term use. Smooth and balanced strings, practical and install easily and quickly. for replacing the broken string without spending too much time. Good tone, will be your perfect choice. Features -Color:Assorted Color -Material:Brass -Size:11.20X11.40X0.20cm/4.40X4.48X0.08in -Diameter: 0.28mm; 0.38mm; 0.61mm; 0.81mm; 1.07mm; 1.32mm - Guitar strings are crafted from brass, not easy to deform, excellent hand feeling, strong corrosion resistance. - Guitar strings are designed for string replacement, folk guitars. - craftsmanship, carefully crafted, thick workmanship, wear-resistant, easy to use, lasting service life. - Brass guitar strings, make the treble thick and the bass bright and chord. Responsive and responsive, smoother transition. - Fast tuning, high durability. The string tension is moderate, the resonance is full, the penetrating power is strong. Package list: 6 x acoustic guitar strings