Tecnifibre X-One Biphase 17G (660ft.) REEL offers high heat capacity to create the ultimate performance of power and feel. Playability similar to natural gut.

Composition: NRG2 Micro filaments with polyurethane. The BIPHASE treatment extends string life by 20%. Biphase increases spin and performance.

• Length: 660ft. (200m)
• Gauge: 17 (1.24mm)
• Colors: Natural

Increased POWER and FEEL