Nickel alloy with XT anti-corrosion finish. Its state-of-the-art coating ensures a very long life without sacrificing the classic feel and sound that characterize D'Addario strings. Carbon-reinforced NY steel core for greater strength, flexibility, and better tuning. They feature the Fusion Twist reinforced ball-end system that minimizes the risk of breakage.

• DADDARIO XTB 50-105 bass string set.
• Gauges: 50 - 70 - 85 - 105.
• Medium.
• Long scale.
• Made in the USA.