Tecnifibre X-One Biphase 1.3mm Tennis String Set

The top performance PU multifiliament string
(playability/comfort and durability)

Gauge: 16/1.30mm
Colour: Natural

PU400 Inside: 400% elasticity for maximum comfort and dynamic power

50% Fibre Elastyl/50% Fibre H2C fibre: maximum power and tension maintenance

Process Biphase: 20% added durability