This listing is for two sets of new D'Addario Phosphor Bronze octave mandolin strings with a medium gauge and loop ends. Phosphor bronze wrap wire provides a warm, long-lasting tone suitable for various musical styles. The medium gauge offers a balanced tension for many players. Free shipping is included. These strings are designed specifically for octave mandolins, making them a practical choice for musicians seeking reliable replacements or backups. Check the listing for full details on specific string gauges and packaging. D'Addario Octave Mandolin Strings 2 Sets Phosphor Bronze Medium Loop End. Condition: New. Listed at 31.51 USD. D'Addario Phosphor Bronze strings are precision wound with corrosion resistant phosphor bronze onto a carefully drawn, hexagonally shaped, high carbon steel core. The result is long lasting, bright sounding tone with excellent intonation.