Yonex POLYTOUR Pro 17 1.20 Tennis String Packages Blue, Size String Package

The new Yonex Poly Tour 1.20 17 tennis string is a polyester monofilament created in a specific way to provide excellent durability while also helping to reduce arm fatigue. This string also features a high repulsion power. Provides a comfortable feel that's easy on the elbow. Delivers greater durability and reduced fatigue.