Tecnifibre’s X-One Biphase uses a heating process (H2C) which increases the cohesion between molecules allowing this string to have excellent power and exceptional feel. Their patented Biphase process extends string life by up to 20% and provides enhanced spin. TecnifibreX-One Biphase has been a best selling multifilament for years and continues to be an industry leader for players that want comfort and power.

Tecnifibre X-One Biphase 18/1.18 Tennis String (Red) Specs:

• Gauge: 18
• Diameter: 1.18 mm.
• Construction: Multifilament
• Composition: Polyamide
• Shape: Round
• Length: 40 ft. / 12.2 m.
• Colour:Red
• Made in France
• Packaging may vary (will be one of two that are pictured)
• Product Code:01GXONE118