Gamma iO (17-1.23mm) String Reel - 660' offers exceptional power, access to spin and pinpoint control. Its unique co-poly material takes ball pocketing to a new level, providing ideal levels of response and comfort. GAMMA iO is best suited for players with penetrating and punishing ground strokes from both sides. SPECIFICATIONS:

• Built with a co-polymer monofilament construction.  High energy co-polyester materials are manufactured with a proprietary, multistage drawing process to increase strength and minimize tension loss for maximum durability and longer play life.
• Abrasion-resistant TPU coating resists notching for longer life.
• Maximum tension maintenance offers long-lasting playability.
• Gauge: 17g (1.23 mm)
• Length: 660 ft (200m)
• Color: Black
• Item #: GZIOR-21