The YONEX Poly Tour Fire 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: Red

Gauge: 16L (1.25 mm) | 16G (1.30mm) | 17G (1.20 mm)

Length: 40 ft

Need help selecting a string? Check out our Choosing The Right Tennis String Guide for more assistance.