Yonex POLYTOUR Rev 1.25mm 200m Tennis String Reel - High Performance Polyester String for Tennis Rackets | Perfect for Competitive Players & Stringing Professionals (Purple)

Intense bite and control from SIF technology. Perfect for baseliners with medium to fast swing speeds looking for a shaped string that grabs the ball for the ultimate spin experience.

Specifications:

• The new silicon oil-infused filament technology
• Allows big hitters to experience ultimate spin from intense snapback speeds
• Greater snapback produces a more powerful spin
• SIF Technology with a pentagonal structure allows the string to move faster than conventional models, increasing spin