Check the listing for details. Elixir 16102 Nanoweb Phosphor Bronze Medium Acoustic Guitar Strings (13-56). Condition: New. Listed at 19.99 USD. YOUR BEST SOURCE FOR PRO AUDIO GEAR Free shipping on Domestic orders* 30-day returns moneyback guarantee Customer Support Online Chat Elixir 16102 Nanoweb Phosphor Bronze Medium Acoustic Guitar Strings (13-56) Description Acoustic Phosphor Bronze with NANOWEB Coating Elixir Stings Acoustic Phosphor Bronze with NANOWEB Coating deliver distinctive phosphor bronze warmth and sparkle together with extended tone life that players have come to expect from Elixir Strings. The #1 selling US acoustic guitar string, Elixir Strings, provide consistent performance, smooth feel and reduce finger squeak. With less hassle and expense of frequent string changes, you enjoy more time making music. *We only offer free shipping to the lower 48 contiguous states. AK, HI, APO, FPO and US Protectorates (PR, VI and American Samoa) addresses will incur additional shipping charges. Please contact us for a shipping quote. These shipments will only be shipped via Priority Mail. There are some instances that free shipping will be offered if they are smaller and lighter items.