Specs for Wilson Four BLX
| Strung weight | 9.4oz / 266.49g |
| Balance | 6 pts Head Heavy |
| Head size | 105 sq. in. / 677.42 sq. cm. |
| Stiffness | Very high - 80% (71 RA) |
| Recommended tension | 53-63 pounds |
| Swing weight | 304 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 | 24mm / 24.5mm / 24mm / |
| Composition | Basalt & Graphite Fibers |
| Power level | Medium |
| Stroke style | Medium |
| Swing speed | Medium-Fast |
| Colors | White/ Blue |
| Grip type | Wilson Sublime |
