These acoustic guitar strings are made of high-strength metal material, ensure maximum strength and durability for usage. Easy installation, save your time and effort. Not easy to break and deform, a good helper for your acoustic guitar. Features -Color:Assorted Color -Material:Stainless steel -Size:11.20X11.40X0.40cm/4.40X4.48X0.16in -Diameter: 0.30mm, 0.41mm, 0.61mm, 0.81mm, 1.07mm, 1.35mm - Acoustic guitar strings are essential for acoustic guitar setup, play a significant role in shaping the tone. - The installation and operation method of this guitar string is simple and convenient, saving your time. - Guitar strings are helpful for the guitar beginners to remember and practice, which are very useful. - The guitar strings produce a warmer and more resonant tone, allowing for easier playability. - Nice stainless steel material, strong durability. Smooth string surface, and comfortable feel. Package list: 6 x acoustic guitar strings