One of Gamma's best control strings gets softer!  Gamma iO Soft (17-1.23mm) String Reel - 660' is a more forgiving version of iO poly, that offers less shock on impact than stiffer co-polyester strings. The softer feel provides generous power and greater feel without harsh vibrations. Ideal for intermediate to advanced players.   This is a great option for the player who wants the freedom to attack the ball without having to worry about over-hitting. 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: Charcoal
• Item #: GIOSR-11