Specs for Wilson Pro Staff 97 Countervail
| Strung weight | 11.7oz / 331.69g |
| Balance | 7 pts Head Light |
| Head size | 97 sq. in. / 625.81 sq. cm. |
| Stiffness | Average - 52% (65 RA) |
| Recommended tension | 50-60 pounds |
| Swing weight | 320 kg · cm2 |
| String pattern | 16 Mains / 19 CrossesMains skip: 7T,9T,7H,9HOne PieceNo Shared Holes |
| Length | 27in / 68.58cm |
| Beam width | 21.5mm / 21.5mm / 21.5mm / |
| Composition | Graphite braided with aramid + Countervail |
| Power level | Low |
| Stroke style | Full |
| Swing speed | Fast |
| Colors | Black/White |
| Grip type | Wilson Pro Performance |