2 sets of D"Addario EXL170-5TP strings for 5-string bass. Gauges 45-65-80-100-130. D"Addario is the world"s largest manufacturer of strings for musical instruments. Many top guitarists won"t play any other brand. Regardless of your playing style, D"Addario has a set of strings that"s right for your 5-string bass. *Note: D"Addario is in the process of updating their product packaging. Rest assured that while the packaging you receive may differ from what"s shown here, the same great D"Addario strings you rely on are still inside.