The ES5 PROTECH String Machine provides consistent stringing tension to ensure the exceptional accuracy and flawless reliability that world’s best players demand.
The Precision Tuning Center, allows you to measure the 3 most critical characteristics of a racquet: WEIGHT, BALANCE and SWING WEIGHT.
When to change strings?
No. of hours played each week =
No. of times to change strings each year
I play 1 hour/week = I change my strings 1 time/year
I play 8 hours/week = I change my strings 8 times/ year