Acoustic guitar strings with Nanoweb coating, made of durable Phosphor Bronze. Purchased about 15 years ago. Found during a decluttering. Light rust is visible on the .026-.056 strings. Notable rust is shown in images 10-12. Image 10 shows .045, image 11 shows .056, and image 12 shows .035. Will be wrapped in a plastic bag and cushioning material, then shipped in a paper bag. - Brand: Elixir - Model: Nanoweb - Material: Phosphor Bronze - Size: Medium .013 - .056 - Features: Anti-Rust coating - Durability: 3-5 times longer lasting Thank you for looking.