1 Set Practiced Nickel Steel Strings For Classical Guitar With Original Retail Package Fast DeliverySpecifications:Model NO.: RX15/RX17/RX19Inner Material: Hexagonal Carbon Steel Outer Material: Nickel Alloy Wire Outer Packing: Color Plastic Bag Features:Strings with strict quality control are in every process. To ensure with tone and durability coherence, the RX series strings adopt nickel alloy wounds, which has the effect of a long life, loud sound and comfortable feeling. For beginner guitarists, you deserve strings are here.1. Hexagonal carbon steel core is used for inner wire2. The end line is made of austenitic alloy3. The stylus is smooth/the tone is bright4. Process Anti-Rust CoatingPackage Included:1 Set Guitar Strings Thank you for choosing trust