Gamma String Tension Tester x-large-size Length: 660 feet / 200

Length: 660 feet / 200 m (approx

Gauges: 16 (130) / 16L (125) / 17 (120) / 18 (115)

this polyester provides great durability for string breakers and agressive hitters while its shaped structure gives slightly better access to spin

faster swings at the ball without fear of over hitting and losing control

Ideal for advanced beginning players ages 9+ who play on a standard 78’ tennis court

Gamma String Tension Tester x-large-size Length: 660 feet / 200Disclaimer: this device will not read or tell you the exact tension of your strings. The purpose is to measure tension loss over time by a percentage. The reading you get from this will essentially be a benchmark from the present so its advised to measure right after you pick up your freshly strung racquet. Write down the reading and then after you play you can measure again to see how much tension loss has occurred. For example if you get a reading