Signum Pro Firestorm String Gauge:16G this string is a favorite

this string is a favorite amongst ATP Players using Signum Pro

With five sharp edges for enhanced bite and a low-friction surface for vicious snapback

Design: Artic-prism design produces a clean

It’s power you can control

faster package

Signum Pro Firestorm String Gauge:16G this string is a favoriteFirestorm is the string called our Line String, Featured as X treme Power; this string is a favorite amongst ATP Players using Signum Pro; this string has impressive power, outstanding durability, excellent tension maintenance, and a feeling worth trying. Weve had fantastic feedback from this string, so we think this is a must for any Tennis Enthusiast.