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With the new Wilson Pro Staff 97 Roger Federer Autograph racquet
 out and selling like hotcakes, it was high time that one of the all-time greats of women’s tennis, Serena Williams, also get an autograph model. It’s called the Wilson Blade SW104 Autograph Countervail
 and absolutely murders the tennis ball. Just look at the specs:
| Technical Specifications | ||
|---|---|---|
| Length | 28 in | 71 cm |
| Head Size | 104 sq in | 671 sq cm |
| Weight | 11.4 oz | 323 gm |
| Balance Point | 13.4 in 34 cm | 5pts Head Light |
| Construction | 22mm Straight Beam | |
| Composition | Countervail/ Graphite | |
| String Pattern | 18 Mains / 19 Crosses | |
| Babolat RDC Ratings | ||
|---|---|---|
| Score | Grade | |
| Flex Rating | 68 | Range: 0-100 |
| Swing Weight | 341 | Range: 200-400 |
Buy the Wilson Blade 104 Serena Williams Autograph Racquet:
The Serena Williams Autograph tennis racquet is not for the faint-hearted and requires some strength to swing but when you do, it does what Serena does, injects the ball with so much power that you’ll wonder when you’re going to win 22 grand slams or more.
