It is a string that shows what top poly strings can achieve

Antal bolde: 6 stk

Eye Coach Pro

Also perfect for Wilson Roland Garros jumbo balls

The grip is suitable for both right and left handed players

msv mini stt mini stt It is a string thatThe MSV Mini STT Electronic Tension Measuring Device is an easy to use and handy little machine that measures the pressure on the strings. The MSV Mini STT helps you decide when to put on a new string and is a must for all professional stringers and ambitious tennis players. How to: Measure the pressure on your newly strung rack. The MSV MINI STT then stores the value. After e. g. 10 hours of play, measure again for the current value. Compare this