ERT 300 - Newest Version
GAMMA ERT 300 User Manual | Page 3 / 5
Perfect String Performance
Top Serve Tennis
String MD - I use an ERT 300 tennis computer to measure the dynamic tension on every string job. The ERT 300 measures the DYNAMIC TENSION DT (string bed stiffness) by electronic
Buy ERT 300 Sports Products Online, South West UK
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