Yonex Polytour Rev 120 / 17 200m Tennis String Reel (White)

  INTENSE BITE. ABSOLUTE CONTROL. Introducing POLYTOUR REV!  As a co-polyester monofilament, this string will give you the needed control to execute your most powerful strokes. Packed with 8 sides, POLYTOUR REV not only puts a tight grip on the ball, it also comes with a SIF (Silicone Oil Infusion), which helps the strings snapback powerfully during impact for extra ball rotation. This co-poly also has above average comfort for a poly-based string, making it an obvious choice for any player who wants a more arm-friendly control string. Intense bite and control from SIF technology. For baseliners with medium-to-fast swing speeds looking for a shaped string that grabs the ball for the ultimate spin experience.   PRODUCT DESCRIPTION   Yonex Polytour Rev 120 Tennis String Color: White Material: Polyester (Monofilament) Gauge: 17 (1.20mm) Length: Reel (200 m) Made in Japan   PRODUCT TECHNOLOGY This new Silicone oil Infused Filament (SIF) technology–monofilament infused with Silicone oil–allows big hitters to experience ultimate spin from intense snapback speeds. Greater snapback produces a powerful spin. SIF Technology with unique pentagonal structure allows the string to move faster than conventional models, increasing spin.