Specs for Wilson Blade SW104 Autograph Countervail
| Strung weight | 11.4oz / 323.18g |
| Balance | 5 pts Head Light |
| Head size | 104 sq. in. / 670.97 sq. cm. |
| Stiffness | High - 66% (68 RA) |
| Recommended tension | 50-60 pounds |
| Swing weight | 341 kg · cm2 |
| String pattern | 18 Mains / 19 Crosses Mains skip: 9T,9H One Piece No Shared Holes |
| Length | 28in / 71.12cm |
| Beam width | 22mm / 22mm / 22mm / |
| Composition | Countervail/Graphite |
| Power level | Low-Medium |
| Stroke style | Medium-Full |
| Swing speed | Medium-Fast |
| Colors | Black/Green |
| Grip type | Wilson Sublime |