RS frame to use with Stringlab 2The most accurate and reliable test unit on the market!Measures the stiffness of racquet with the Stringlab 2. Measures the racquet stiffness with the additional RS frame. |
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RS frame to use with Stringlab 2The most accurate and reliable test unit on the market!Measures the stiffness of racquet with the Stringlab 2. Measures the racquet stiffness with the additional RS frame. |
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