Yonex Polytour Pro 125 Tennis Strings [Blue] grip-size_g5 BTY 501 FL

BTY 501 FL

if not the best on the market

but it also provides a massive sweet spot with the perfect balance of power and control

It's safer to pick up the ball or cross with children

the sides of the frame

Yonex Polytour Pro 125 Tennis Strings [Blue] grip-size_g5 BTY 501 FLYonex Polytour Pro 125 Tennis Strings [Blue] One of Yonex's most popular strings on the ATP tour and used by the likes of Nick Kyrgios and Frances Tiafoe, Poly Tour Pro provides great durability in a slightly soft. er poly. Made of a monofilament core but finished with high polymer polyester,this string really helps to put spin on your shots. Yonex pre stretches this string under controlled temperatures for better durability and tension maintenance.