Durability 9 out of 10

supervise to ensure the child handles the tool correctly

Colour natural white

Also available in navy blue here

Refunds take approximately 1-3 weeks as the manufacturer must ensure the condition of the product upon return

msv mini stt mini stt Durability 9 out of 10The 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