| Spec | Tecnifibre TF40 305 | Yonex VCORE 100 |
|---|---|---|
| Weight (unstrung) | 305g | 300g |
| Head Size | 98 sq in | 100 sq in |
| Balance | Even | Head Light |
| String Pattern | 18x20 | 16x19 |
| Swingweight | 325 | 315 |
| RA Stiffness | 61 | 68 |
| Strung Weight | 330g | 325g |
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