Gamma Sapphire - Single Set

GAMMA Sapphire 17 is a co-polyester string which is eco-friendly and 100% biodegradable. Offering the ultimate in spin to empower big hitters, combined with maximum control to achieve high levels of acceleration.

Sapphire is a great string choice for intermediate and advanced players who have long, fast strokes. The unique low-powered response will allow effortless cuts of the ball to add pace and spin. A comfortably firm and responsive feel from an exceptional string bed response.