Specs for Wilson Pro Staff 90
| Strung weight | 12.5oz / 354.37g |
| Balance | 8 pts Head Light |
| Head size | 90 sq. in. / 580.64 sq. cm. |
| Stiffness | Average - 57% (66 RA) |
| Recommended tension | 48-58 pounds |
| Swing weight | 325 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 | 17.5mm / 17.5mm / 17.5mm / |
| Composition | Graphite/Kevlar/BLX |
| Power level | Low |
| Stroke style | Full |
| Swing speed | Fast |
| Colors | White/ Red |
| Grip type | Wilson Leather(!) |
