Specs for Wilson Pro Staff 97L Countervail Black
| Strung weight | 10.8oz / 306.17g |
| Balance | 3 pts Head Light |
| Head size | 97 sq. in. / 625.81 sq. cm. |
| Stiffness | High - 71% (69 RA) |
| Recommended tension | 50-60 pounds |
| Swing weight | 312 kg · cm2 |
| String pattern | 16 Mains / 19 Crosses Mains skip: 7T,9T,7H,9H One Piece No Shared Holes |
| Length | 27in / 68.58cm |
| Beam width | 23mm / 23mm / 23mm / |
| Composition | Braided Graphite |
| Power level | Low-Medium |
| Stroke style | Medium-Full |
| Swing speed | Medium-Fast |
| Colors | Black |
| Grip type | Wilson Sublime |