The Tecnifibre NRG2 16 Tennis String is one of the top strings for power. The feel of this string is very similar to natural gut, and it's great on your arm. The multifilament construction features and exclusive polyurethane formula offer 400% elasticity for high power and excellent dissipation of vibrations for comfort!
Gauge: 16 / 1.32 mm
Length: 40 feet / 12.2 m
Composition: Multifilament made of Polyurethane, Elastyl Fiber and Silicon Pyrogene Lubritec Additive.