Firestorm 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. We´ve had fantastic feedback from this string, so we think this is a must for any Tennis Enthusiast.
• Length: 40ft/12m
• Gauge: 17L(18)/1.20, 17/1.25mm, 16/1.30mm
• Color: Gold
• Construction: Monofilament
• Advantage: Power, control and durability
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