The YonexPoly Tour Fire 125 Tennis String is a great string for big hitters looking for extra spin potential and precision shot making. 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 allows the string to move faster than conventional models, increasing spin.
Construction: Monofilament Polyester with high polymer polyester
Color: Dark Red
Gauge: 16L (1.25 mm)
Length: 660' (200 m)
For more info on the Yonex String, click the links below: