Elixir Acoustic Guitar Strings 16102, medium, long life phosphor bronze, one set .013 .017 .026 .035 .045 .056 in original packaging NANOWEB ultra thin coating with anti-rust plain steels: . the coating prevents contamination or corrosion from collecting in the windings of the strings . Anti-Rust plating on plain steel stings resist tone deadening corrosion note: the seller is in Metchosin: item still available if ad posted