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Improve
your consistency using the ERT 300's accurate
electronic tension testing
ability to fine tune your racquets tension,
for a reliable restring everytime.
Imagine that you could accurately
and electronically measure the tension of
your strings in your racquet a minute, a day,
a week or even a month or more after it's
strung.
The ERT 300 is the only
hi-tech tension testing
micro processor system in the world
Click
to find out more about the ERT-300....
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