Features: Made from hexagonal alloy steel core, with antirust coating, it have stability and fracture resistance. Easy to install, can be quickly fixed, and provides stable tunings. Easy installation and compatibility with various acoustic guitar, these strings offer a superior playing experience. Suitable for acoustic guitar enthusiasts, professional musicians, and students, these strings caters to a wide range of users. The package includes 6pcs strings, suitable for most acoustic guitar. Specifications: Materials: Hexagonal alloy steel core, phosphor bronze coating, string beads (gold), PVD ion coating Packaging size: about 11.6x11.5x1cm/4.57x4.53x0.39inch Package Includes: 6pcs/set Guitar Strings note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.