ELIXIR Phosphor Bronze Nanoweb Coating Strings CUSTOM LIGHT .011 - .052 5-Pack Set - Brand: Elixir - Model: Nanoweb - Material: Phosphor Bronze - Size: Custom Light .011 - .052 - Features: Anti-Rust coating - Durability: 3-5x longer tone life These have been stored for a long time, so I cannot judge the quality. Thank you for looking.