Firestorm 17L/1.20 String Metallic Gold

Matteo Berrettini's string of choice. Firestorm 17L/1.20 in Metallic Gold is our top-of-the-line string, built for players who want X-treme Power and are not willing to compromise.

A favorite among ATP players using Signum Pro, Firestorm delivers explosive power, outstanding durability, and excellent tension maintenance. The feel is something you need to experience for yourself.

• X-treme Power: amazing pop on every swing
• Lasting durability: holds up through demanding match play
• Tension maintenance: stays consistent for longer
• Gauge: 17L / 1.20
• Color: Metallic Gold

Players keep sending us amazing feedback on Firestorm, which is why we call it a must-have for any tennis enthusiast. Restring with Firestorm and feel the difference.